82060556400 has 90 divisors (see below), whose sum is σ = 284772937800. Its totient is φ = 21882814080.

The previous prime is 82060556399. The next prime is 82060556423. The reversal of 82060556400 is 465506028.

82060556400 is a `hidden beast` number, since 8 + 2 + 0 + 6 + 0 + 5 + 5 + 640 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11393700 + ... + 11400899.

Almost surely, 2^82060556400 is an apocalyptic number.

82060556400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82060556400 is an abundant number, since it is smaller than the sum of its proper divisors (202712381400).

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

82060556400 is a wasteful number, since it uses less digits than its factorization.

82060556400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794623 (or 22794609 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 82060556400 in words is "eighty-two billion, sixty million, five hundred fifty-six thousand, four hundred".