2567776156980 has 24 divisors (see below), whose sum is σ = 7189773239712. Its totient is φ = 684740308512.

The previous prime is 2567776156951. The next prime is 2567776156997. The reversal of 2567776156980 is 896516777652.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21398134582 + ... + 21398134701.

It is an arithmetic number, because the mean of its divisors is an integer number (299573884988).

Almost surely, 2^{2567776156980} is an apocalyptic number.

2567776156980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2567776156980 is an abundant number, since it is smaller than the sum of its proper divisors (4621997082732).

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

2567776156980 is a wasteful number, since it uses less digits than its factorization.

2567776156980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42796269295 (or 42796269293 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 69.

The spelling of 2567776156980 in words is "two trillion, five hundred sixty-seven billion, seven hundred seventy-six million, one hundred fifty-six thousand, nine hundred eighty".