76555494400 has 528 divisors, whose sum is σ = 240360901632. Its totient is φ = 23482368000.

The previous prime is 76555494331. The next prime is 76555494413. The reversal of 76555494400 is 449455567.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139954927 + ... + 139955473.

Almost surely, 2^76555494400 is an apocalyptic number.

76555494400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76555494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120180450816).

76555494400 is an abundant number, since it is smaller than the sum of its proper divisors (163805407232).

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

76555494400 is a wasteful number, since it uses less digits than its factorization.

76555494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

It can be divided in two parts, 7655 and 5494400, that added together give a palindrome (5502055).

The spelling of 76555494400 in words is "seventy-six billion, five hundred fifty-five million, four hundred ninety-four thousand, four hundred".