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25340499040360 = 23572137193348821
BaseRepresentation
bin1011100001100000010110…
…11100011001100001101000
310022201112020221121001222211
411300300023130121201220
511310134320223242420
6125521133050454504
75223535121616400
oct560601334314150
9108645227531884
1025340499040360
11808a9330a0289
122a131a9a34434
13111a7a27664ba
146386b56d9800
152de270476e5a
hex170c0b719868

25340499040360 has 192 divisors, whose sum is σ = 66844932279120. Its totient is φ = 8620115374080.

The previous prime is 25340499040331. The next prime is 25340499040369. The reversal of 25340499040360 is 6304099404352.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17758857943876 + 7581641096484 = 4214126^2 + 2753478^2 .

It is a super-2 number, since 2×253404990403602 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (25340499040369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519024750 + ... + 519073570.

Almost surely, 225340499040360 is an apocalyptic number.

25340499040360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25340499040360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33422466139560).

25340499040360 is an abundant number, since it is smaller than the sum of its proper divisors (41504433238760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25340499040360 is a wasteful number, since it uses less digits than its factorization.

25340499040360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50916 (or 50905 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 25340499040360 in words is "twenty-five trillion, three hundred forty billion, four hundred ninety-nine million, forty thousand, three hundred sixty".