400831404046 has 4 divisors (see below), whose sum is σ = 601247106072. Its totient is φ = 200415702022.

The previous prime is 400831404041. The next prime is 400831404047. The reversal of 400831404046 is 640404138004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400831404041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100207851010 + ... + 100207851013.

It is an arithmetic number, because the mean of its divisors is an integer number (150311776518).

Almost surely, 2^400831404046 is an apocalyptic number.

400831404046 is a deficient number, since it is larger than the sum of its proper divisors (200415702026).

400831404046 is a wasteful number, since it uses less digits than its factorization.

400831404046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200415702025.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 400831404046 in words is "four hundred billion, eight hundred thirty-one million, four hundred four thousand, forty-six".