400334974194 has 8 divisors (see below), whose sum is σ = 800669948400. Its totient is φ = 133444991396.

The previous prime is 400334974141. The next prime is 400334974213. The reversal of 400334974194 is 491479433004.

It is a sphenic number, since it is the product of 3 distinct primes.

400334974194 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33361247844 + ... + 33361247855.

It is an arithmetic number, because the mean of its divisors is an integer number (100083743550).

Almost surely, 2^400334974194 is an apocalyptic number.

400334974194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400334974194 is a wasteful number, since it uses less digits than its factorization.

400334974194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66722495704.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 400334974194 in words is "four hundred billion, three hundred thirty-four million, nine hundred seventy-four thousand, one hundred ninety-four".