400342366 has 16 divisors (see below), whose sum is σ = 616092624. Its totient is φ = 195044544.

The previous prime is 400342351. The next prime is 400342391. The reversal of 400342366 is 663243004.

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, 4401 + ... + 28636.

It is an arithmetic number, because the mean of its divisors is an integer number (38505789).

Almost surely, 2^400342366 is an apocalyptic number.

400342366 is a deficient number, since it is larger than the sum of its proper divisors (215750258).

400342366 is a wasteful number, since it uses less digits than its factorization.

400342366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33195.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 400342366 is about 20008.5573193072. The cubic root of 400342366 is about 737.0164543027.

The spelling of 400342366 in words is "four hundred million, three hundred forty-two thousand, three hundred sixty-six".