12590127952440 has 64 divisors (see below), whose sum is σ = 37820278956960. Its totient is φ = 3352932334080.

The previous prime is 12590127952429. The next prime is 12590127952447. The reversal of 12590127952440 is 4425972109521.

It is a super-2 number, since 2×12590127952440² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12590127952447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69207531 + ... + 69389210.

Almost surely, 2^{12590127952440} is an apocalyptic number.

12590127952440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12590127952440 is an abundant number, since it is smaller than the sum of its proper divisors (25230151004520).

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

12590127952440 is a wasteful number, since it uses less digits than its factorization.

12590127952440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138597512 (or 138597508 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 12590127952440 in words is "twelve trillion, five hundred ninety billion, one hundred twenty-seven million, nine hundred fifty-two thousand, four hundred forty".