400067403674 has 4 divisors (see below), whose sum is σ = 600101105514. Its totient is φ = 200033701836.

The previous prime is 400067403667. The next prime is 400067403709. The reversal of 400067403674 is 476304760004.

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

It can be written as a sum of positive squares in only one way, i.e., 370777477225 + 29289926449 = 608915^2 + 171143^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100016850917 + ... + 100016850920.

Almost surely, 2^400067403674 is an apocalyptic number.

400067403674 is a deficient number, since it is larger than the sum of its proper divisors (200033701840).

400067403674 is a wasteful number, since it uses less digits than its factorization.

400067403674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200033701839.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 400067403674 in words is "four hundred billion, sixty-seven million, four hundred three thousand, six hundred seventy-four".