12645524024 has 64 divisors (see below), whose sum is σ = 28617388800. Its totient is φ = 5117416704.

The previous prime is 12645523997. The next prime is 12645524033. The reversal of 12645524024 is 42042554621.

It is a super-2 number, since 2×12645524024² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307292 + ... + 346004.

It is an arithmetic number, because the mean of its divisors is an integer number (447146700).

Almost surely, 2^12645524024 is an apocalyptic number.

12645524024 is a gapful number since it is divisible by the number (14) 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 12645524024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14308694400).

12645524024 is an abundant number, since it is smaller than the sum of its proper divisors (15971864776).

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

12645524024 is a wasteful number, since it uses less digits than its factorization.

12645524024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39052 (or 39048 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 12645524024 in words is "twelve billion, six hundred forty-five million, five hundred twenty-four thousand, twenty-four".