780601840560 has 100 divisors (see below), whose sum is σ = 2711145859488. Its totient is φ = 208160489088.

The previous prime is 780601840541. The next prime is 780601840567. The reversal of 780601840560 is 65048106087.

It is a happy number.

780601840560 is a `hidden beast` number, since 7 + 8 + 0 + 6 + 0 + 1 + 84 + 0 + 560 = 666.

It is a super-2 number, since 2×780601840560² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (780601840567) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60225144 + ... + 60238103.

Almost surely, 2^780601840560 is an apocalyptic number.

It is an amenable number.

780601840560 is an abundant number, since it is smaller than the sum of its proper divisors (1930544018928).

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

780601840560 is a wasteful number, since it uses less digits than its factorization.

780601840560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120463272 (or 120463257 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 780601840560 in words is "seven hundred eighty billion, six hundred one million, eight hundred forty thousand, five hundred sixty".