400672342334 has 8 divisors (see below), whose sum is σ = 655645651128. Its totient is φ = 182123791960.

The previous prime is 400672342331. The next prime is 400672342373. The reversal of 400672342334 is 433243276004.

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

It is a super-2 number, since 2×400672342334² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400672342331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9106189577 + ... + 9106189620.

It is an arithmetic number, because the mean of its divisors is an integer number (81955706391).

Almost surely, 2^400672342334 is an apocalyptic number.

400672342334 is a deficient number, since it is larger than the sum of its proper divisors (254973308794).

400672342334 is a wasteful number, since it uses less digits than its factorization.

400672342334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18212379210.

The product of its (nonzero) digits is 290304, while the sum is 38.

The spelling of 400672342334 in words is "four hundred billion, six hundred seventy-two million, three hundred forty-two thousand, three hundred thirty-four".