400734037406 has 8 divisors (see below), whose sum is σ = 602803893024. Its totient is φ = 199799406400.

The previous prime is 400734037399. The next prime is 400734037421. The reversal of 400734037406 is 604730437004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 400734037406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283805270 + ... + 283806681.

It is an arithmetic number, because the mean of its divisors is an integer number (75350486628).

Almost surely, 2^400734037406 is an apocalyptic number.

400734037406 is a deficient number, since it is larger than the sum of its proper divisors (202069855618).

400734037406 is a wasteful number, since it uses less digits than its factorization.

400734037406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567612306.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 400734037406 in words is "four hundred billion, seven hundred thirty-four million, thirty-seven thousand, four hundred six".