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40690050000 = 24355614447
BaseRepresentation
bin100101111001010100…
…001110001111010000
310220000202111201010220
4211321110032033100
51131313123100000
630405344553040
72640223501245
oct457124161720
9126022451126
1040690050000
11162905218a6
127a77022780
133ab6019a82
141d800b55cc
1510d23911a0
hex97950e3d0

40690050000 has 240 divisors, whose sum is σ = 133570450944. Its totient is φ = 10670400000.

The previous prime is 40690049977. The next prime is 40690050059. The reversal of 40690050000 is 5009604.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9147777 + ... + 9152223.

Almost surely, 240690050000 is an apocalyptic number.

40690050000 is a gapful number since it is divisible by the number (40) 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 40690050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66785225472).

40690050000 is an abundant number, since it is smaller than the sum of its proper divisors (92880400944).

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

40690050000 is an equidigital number, since it uses as much as digits as its factorization.

40690050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 40690050000 its reverse (5009604), we get a palindrome (40695059604).

The spelling of 40690050000 in words is "forty billion, six hundred ninety million, fifty thousand".