400979051 has 8 divisors (see below), whose sum is σ = 463163184. Its totient is φ = 343083520.

The previous prime is 400979023. The next prime is 400979077. The reversal of 400979051 is 150979004.

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 400979051 - 2¹⁰ = 400978027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400979081) 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, 1071950 + ... + 1072323.

It is an arithmetic number, because the mean of its divisors is an integer number (57895398).

Almost surely, 2^400979051 is an apocalyptic number.

400979051 is a deficient number, since it is larger than the sum of its proper divisors (62184133).

400979051 is a wasteful number, since it uses less digits than its factorization.

400979051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144301.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 400979051 is about 20024.4613161004. The cubic root of 400979051 is about 737.4069523901.

The spelling of 400979051 in words is "four hundred million, nine hundred seventy-nine thousand, fifty-one".