2549516745880 has 32 divisors (see below), whose sum is σ = 6177675193200. Its totient is φ = 941360029056.

The previous prime is 2549516745877. The next prime is 2549516745899. The reversal of 2549516745880 is 885476159452.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 2451457890 + ... + 2451458929.

Almost surely, 2^{2549516745880} is an apocalyptic number.

2549516745880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2549516745880 is an abundant number, since it is smaller than the sum of its proper divisors (3628158447320).

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

2549516745880 is a wasteful number, since it uses less digits than its factorization.

2549516745880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902916843 (or 4902916839 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 64.

The spelling of 2549516745880 in words is "two trillion, five hundred forty-nine billion, five hundred sixteen million, seven hundred forty-five thousand, eight hundred eighty".