12538454592 has 56 divisors (see below), whose sum is σ = 33641946432. Its totient is φ = 4120614400.

The previous prime is 12538454549. The next prime is 12538454611. The reversal of 12538454592 is 29545483521.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446259 + ... + 473522.

Almost surely, 2^12538454592 is an apocalyptic number.

12538454592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12538454592 is an abundant number, since it is smaller than the sum of its proper divisors (21103491840).

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

12538454592 is an equidigital number, since it uses as much as digits as its factorization.

12538454592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919867 (or 919857 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The spelling of 12538454592 in words is "twelve billion, five hundred thirty-eight million, four hundred fifty-four thousand, five hundred ninety-two".