731376006500400 has 120 divisors (see below), whose sum is σ = 2343973503125520. Its totient is φ = 194939336401920.

The previous prime is 731376006500357. The next prime is 731376006500411. The reversal of 731376006500400 is 4005600673137.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144805747 + ... + 149771346.

It is an arithmetic number, because the mean of its divisors is an integer number (19533112526046).

Almost surely, 2^{731376006500400} is an apocalyptic number.

It is an amenable number.

731376006500400 is an abundant number, since it is smaller than the sum of its proper divisors (1612597496625120).

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

731376006500400 is a wasteful number, since it uses less digits than its factorization.

731376006500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294579183 (or 294579172 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 731376006500400 in words is "seven hundred thirty-one trillion, three hundred seventy-six billion, six million, five hundred thousand, four hundred".