400015130 has 16 divisors (see below), whose sum is σ = 720260640. Its totient is φ = 159954192.

The previous prime is 400015129. The next prime is 400015159. The reversal of 400015130 is 31510004.

400015130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46637 + ... + 54543.

It is an arithmetic number, because the mean of its divisors is an integer number (45016290).

Almost surely, 2^400015130 is an apocalyptic number.

400015130 is a deficient number, since it is larger than the sum of its proper divisors (320245510).

400015130 is a wasteful number, since it uses less digits than its factorization.

400015130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 400015130 is about 20000.3782464232. The cubic root of 400015130 is about 736.8155895104.

Adding to 400015130 its reverse (31510004), we get a palindrome (431525134).

The spelling of 400015130 in words is "four hundred million, fifteen thousand, one hundred thirty".