400504159 has 8 divisors (see below), whose sum is σ = 451008000. Its totient is φ = 352349400.

The previous prime is 400504127. The next prime is 400504171. The reversal of 400504159 is 951405004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400504159 - 2⁵ = 400504127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400504109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586909 + ... + 587590.

It is an arithmetic number, because the mean of its divisors is an integer number (56376000).

Almost surely, 2^400504159 is an apocalyptic number.

400504159 is a deficient number, since it is larger than the sum of its proper divisors (50503841).

400504159 is a wasteful number, since it uses less digits than its factorization.

400504159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174541.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 400504159 is about 20012.6000059962. The cubic root of 400504159 is about 737.1157260371.

The spelling of 400504159 in words is "four hundred million, five hundred four thousand, one hundred fifty-nine".