396954518015 has 16 divisors (see below), whose sum is σ = 528168400416. Its totient is φ = 283961500800.

The previous prime is 396954517991. The next prime is 396954518027. The reversal of 396954518015 is 510815459693.

It is not a de Polignac number, because 396954518015 - 2¹² = 396954513919 is a prime.

It is a Duffinian number.

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, 59155292 + ... + 59162001.

It is an arithmetic number, because the mean of its divisors is an integer number (33010525026).

Almost surely, 2^396954518015 is an apocalyptic number.

396954518015 is a deficient number, since it is larger than the sum of its proper divisors (131213882401).

396954518015 is a wasteful number, since it uses less digits than its factorization.

396954518015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118317370.

The product of its (nonzero) digits is 5832000, while the sum is 56.

The spelling of 396954518015 in words is "three hundred ninety-six billion, nine hundred fifty-four million, five hundred eighteen thousand, fifteen".