400040433376 has 24 divisors (see below), whose sum is σ = 787860957744. Its totient is φ = 199948761600.

The previous prime is 400040433361. The next prime is 400040433433. The reversal of 400040433376 is 673334040004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141940 + ... + 2321203.

It is an arithmetic number, because the mean of its divisors is an integer number (32827539906).

Almost surely, 2^400040433376 is an apocalyptic number.

It is an amenable number.

400040433376 is a deficient number, since it is larger than the sum of its proper divisors (387820524368).

400040433376 is a wasteful number, since it uses less digits than its factorization.

400040433376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465954 (or 4465946 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 400040433376 in words is "four hundred billion, forty million, four hundred thirty-three thousand, three hundred seventy-six".