12577816040 has 32 divisors (see below), whose sum is σ = 28448271360. Its totient is φ = 5004782400.

The previous prime is 12577816003. The next prime is 12577816049. The reversal of 12577816040 is 4061877521.

It is not an unprimeable number, because it can be changed into a prime (12577816049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815516 + ... + 830795.

It is an arithmetic number, because the mean of its divisors is an integer number (889008480).

Almost surely, 2^12577816040 is an apocalyptic number.

12577816040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12577816040 is an abundant number, since it is smaller than the sum of its proper divisors (15870455320).

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

12577816040 is a wasteful number, since it uses less digits than its factorization.

12577816040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646513 (or 1646509 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 12577816040 in words is "twelve billion, five hundred seventy-seven million, eight hundred sixteen thousand, forty".