400153655967 has 16 divisors (see below), whose sum is σ = 608378410080. Its totient is φ = 231763203072.

The previous prime is 400153655917. The next prime is 400153655971. The reversal of 400153655967 is 769556351004.

400153655967 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 400153655967 - 2⁸ = 400153655711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400153655917) 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, 301774342 + ... + 301775667.

It is an arithmetic number, because the mean of its divisors is an integer number (38023650630).

Almost surely, 2^400153655967 is an apocalyptic number.

400153655967 is a deficient number, since it is larger than the sum of its proper divisors (208224754113).

400153655967 is a wasteful number, since it uses less digits than its factorization.

400153655967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603550042.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 400153655967 in words is "four hundred billion, one hundred fifty-three million, six hundred fifty-five thousand, nine hundred sixty-seven".