400425297015 has 32 divisors (see below), whose sum is σ = 661746548736. Its totient is φ = 206546446080.

The previous prime is 400425296981. The next prime is 400425297047. The reversal of 400425297015 is 510792524004.

It is not a de Polignac number, because 400425297015 - 2⁸ = 400425296759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514387 + ... + 1032203.

It is an arithmetic number, because the mean of its divisors is an integer number (20679579648).

Almost surely, 2^400425297015 is an apocalyptic number.

400425297015 is a deficient number, since it is larger than the sum of its proper divisors (261321251721).

400425297015 is a wasteful number, since it uses less digits than its factorization.

400425297015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519519.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 400425297015 in words is "four hundred billion, four hundred twenty-five million, two hundred ninety-seven thousand, fifteen".