400034073372 has 24 divisors (see below), whose sum is σ = 933586260096. Its totient is φ = 133319916528.

The previous prime is 400034073323. The next prime is 400034073389. The reversal of 400034073372 is 273370430004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3029488 + ... + 3158775.

It is an arithmetic number, because the mean of its divisors is an integer number (38899427504).

Almost surely, 2^400034073372 is an apocalyptic number.

It is an amenable number.

400034073372 is an abundant number, since it is smaller than the sum of its proper divisors (533552186724).

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

400034073372 is a wasteful number, since it uses less digits than its factorization.

400034073372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193657 (or 6193655 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 33.

The spelling of 400034073372 in words is "four hundred billion, thirty-four million, seventy-three thousand, three hundred seventy-two".