399960115201 has 16 divisors (see below), whose sum is σ = 431384688000. Its totient is φ = 369577468800.

The previous prime is 399960115187. The next prime is 399960115211. The reversal of 399960115201 is 102511069993.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 399960115201 - 2⁷ = 399960115073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399960115211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3235275 + ... + 3356623.

It is an arithmetic number, because the mean of its divisors is an integer number (26961543000).

Almost surely, 2^399960115201 is an apocalyptic number.

It is an amenable number.

399960115201 is a deficient number, since it is larger than the sum of its proper divisors (31424572799).

399960115201 is a wasteful number, since it uses less digits than its factorization.

399960115201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125640.

The product of its (nonzero) digits is 131220, while the sum is 46.

The spelling of 399960115201 in words is "three hundred ninety-nine billion, nine hundred sixty million, one hundred fifteen thousand, two hundred one".