400314816975 has 12 divisors (see below), whose sum is σ = 661853830856. Its totient is φ = 213501235680.

The previous prime is 400314816973. The next prime is 400314816997. The reversal of 400314816975 is 579618413004.

It is not a de Polignac number, because 400314816975 - 2¹ = 400314816973 is a prime.

It is a super-3 number, since 3×400314816975³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400314816973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2668765372 + ... + 2668765521.

Almost surely, 2^400314816975 is an apocalyptic number.

400314816975 is a deficient number, since it is larger than the sum of its proper divisors (261539013881).

400314816975 is a wasteful number, since it uses less digits than its factorization.

400314816975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337530906 (or 5337530901 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 400314816975 in words is "four hundred billion, three hundred fourteen million, eight hundred sixteen thousand, nine hundred seventy-five".