400374374415 has 16 divisors (see below), whose sum is σ = 641654366208. Its totient is φ = 213181210656.

The previous prime is 400374374399. The next prime is 400374374461. The reversal of 400374374415 is 514473473004.

It is not a de Polignac number, because 400374374415 - 2⁴ = 400374374399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21977407 + ... + 21995616.

It is an arithmetic number, because the mean of its divisors is an integer number (40103397888).

Almost surely, 2^400374374415 is an apocalyptic number.

400374374415 is a deficient number, since it is larger than the sum of its proper divisors (241279991793).

400374374415 is a wasteful number, since it uses less digits than its factorization.

400374374415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43973638.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 400374374415 in words is "four hundred billion, three hundred seventy-four million, three hundred seventy-four thousand, four hundred fifteen".