400031046416 has 40 divisors (see below), whose sum is σ = 808871603904. Its totient is φ = 191292421760.

The previous prime is 400031046409. The next prime is 400031046463. The reversal of 400031046416 is 614640130004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693951 + ... + 2838561.

Almost surely, 2^400031046416 is an apocalyptic number.

400031046416 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

400031046416 is an abundant number, since it is smaller than the sum of its proper divisors (408840557488).

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

400031046416 is a wasteful number, since it uses less digits than its factorization.

400031046416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152159 (or 152153 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 400031046416 in words is "four hundred billion, thirty-one million, forty-six thousand, four hundred sixteen".