400310130 has 128 divisors (see below), whose sum is σ = 1094860800. Its totient is φ = 92793600.

The previous prime is 400310117. The next prime is 400310137. The reversal of 400310130 is 31013004.

It is not an unprimeable number, because it can be changed into a prime (400310137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1114891 + ... + 1115249.

It is an arithmetic number, because the mean of its divisors is an integer number (8553600).

Almost surely, 2^400310130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400310130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547430400).

400310130 is an abundant number, since it is smaller than the sum of its proper divisors (694550670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400310130 is a wasteful number, since it uses less digits than its factorization.

400310130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 400310130 is about 20007.7517477602. The cubic root of 400310130 is about 736.9966719845.

Adding to 400310130 its reverse (31013004), we get a palindrome (431323134).

The spelling of 400310130 in words is "four hundred million, three hundred ten thousand, one hundred thirty".