276402640400 has 60 divisors (see below), whose sum is σ = 672463209600. Its totient is φ = 109161536640.

The previous prime is 276402640337. The next prime is 276402640441. The reversal of 276402640400 is 4046204672.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4341860 + ... + 4405059.

It is an arithmetic number, because the mean of its divisors is an integer number (11207720160).

Almost surely, 2^276402640400 is an apocalyptic number.

276402640400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276402640400 is an abundant number, since it is smaller than the sum of its proper divisors (396060569200).

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

276402640400 is a wasteful number, since it uses less digits than its factorization.

276402640400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747016 (or 8747005 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 276402640400 in words is "two hundred seventy-six billion, four hundred two million, six hundred forty thousand, four hundred".