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2400237142464 = 2637192926912049
BaseRepresentation
bin100010111011011001010…
…010000100000111000000
322111110102122122022021010
4202323121102010013000
5303311141202024324
65034353112000520
7335261054040360
oct42733122040700
98443378568233
102400237142464
11845a31324897
12329222690140
131454590629a5
148425a3429a0
154268061a829
hex22ed94841c0

2400237142464 has 448 divisors, whose sum is σ = 7933334400000. Its totient is φ = 624901423104.

The previous prime is 2400237142463. The next prime is 2400237142517. The reversal of 2400237142464 is 4642417320042.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×24002371424642 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400237142463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199200312 + ... + 199212360.

Almost surely, 22400237142464 is an apocalyptic number.

2400237142464 is a gapful number since it is divisible by the number (24) 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 2400237142464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3966667200000).

2400237142464 is an abundant number, since it is smaller than the sum of its proper divisors (5533097257536).

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

2400237142464 is a wasteful number, since it uses less digits than its factorization.

2400237142464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388 (or 12378 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 2400237142464 in words is "two trillion, four hundred billion, two hundred thirty-seven million, one hundred forty-two thousand, four hundred sixty-four".