2621081092560 has 160 divisors (see below), whose sum is σ = 9606326941440. Its totient is φ = 578445471744.

The previous prime is 2621081092559. The next prime is 2621081092577. The reversal of 2621081092560 is 652901801262.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26850717 + ... + 26948156.

It is an arithmetic number, because the mean of its divisors is an integer number (60039543384).

Almost surely, 2^{2621081092560} is an apocalyptic number.

2621081092560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2621081092560 is an abundant number, since it is smaller than the sum of its proper divisors (6985245848880).

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

2621081092560 is a wasteful number, since it uses less digits than its factorization.

2621081092560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53798925 (or 53798919 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 2621081092560 in words is "two trillion, six hundred twenty-one billion, eighty-one million, ninety-two thousand, five hundred sixty".