400275051 has 16 divisors (see below), whose sum is σ = 582636288. Its totient is φ = 242416800.

The previous prime is 400275037. The next prime is 400275061. The reversal of 400275051 is 150572004.

It is not a de Polignac number, because 400275051 - 2¹³ = 400266859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400275061) 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, 53970 + ... + 60936.

It is an arithmetic number, because the mean of its divisors is an integer number (36414768).

Almost surely, 2^400275051 is an apocalyptic number.

400275051 is a deficient number, since it is larger than the sum of its proper divisors (182361237).

400275051 is a wasteful number, since it uses less digits than its factorization.

400275051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 400275051 is about 20006.8750933273. The cubic root of 400275051 is about 736.9751437913.

The spelling of 400275051 in words is "four hundred million, two hundred seventy-five thousand, fifty-one".