401044396 has 24 divisors (see below), whose sum is σ = 726852224. Its totient is φ = 193415040.

The previous prime is 401044387. The next prime is 401044409. The reversal of 401044396 is 693440104.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 33646 + ... + 43978.

Almost surely, 2^401044396 is an apocalyptic number.

It is an amenable number.

401044396 is a deficient number, since it is larger than the sum of its proper divisors (325807828).

401044396 is a wasteful number, since it uses less digits than its factorization.

401044396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681 (or 10679 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 401044396 is about 20026.0928790416. The cubic root of 401044396 is about 737.4470070512.

The spelling of 401044396 in words is "four hundred one million, forty-four thousand, three hundred ninety-six".