400712038 has 16 divisors (see below), whose sum is σ = 610226496. Its totient is φ = 197311680.

The previous prime is 400712027. The next prime is 400712047. The reversal of 400712038 is 830217004.

It is a super-2 number, since 2×400712038² = 321140274796226888, which contains 22 as substring.

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, 118195 + ... + 121537.

It is an arithmetic number, because the mean of its divisors is an integer number (38139156).

Almost surely, 2^400712038 is an apocalyptic number.

400712038 is a deficient number, since it is larger than the sum of its proper divisors (209514458).

400712038 is a wasteful number, since it uses less digits than its factorization.

400712038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 400712038 is about 20017.7930351975. The cubic root of 400712038 is about 737.2432356381.

The spelling of 400712038 in words is "four hundred million, seven hundred twelve thousand, thirty-eight".