400130034 has 32 divisors (see below), whose sum is σ = 836075520. Its totient is φ = 127421712.

The previous prime is 400129999. The next prime is 400130039. The reversal of 400130034 is 430031004.

It is a junction number, because it is equal to n+sod(n) for n = 400129995 and 400130022.

It is not an unprimeable number, because it can be changed into a prime (400130039) 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, 175369 + ... + 177635.

It is an arithmetic number, because the mean of its divisors is an integer number (26127360).

Almost surely, 2^400130034 is an apocalyptic number.

400130034 is an abundant number, since it is smaller than the sum of its proper divisors (435945486).

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

400130034 is a wasteful number, since it uses less digits than its factorization.

400130034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 400130034 is about 20003.2505858423. The cubic root of 400130034 is about 736.8861326365.

Adding to 400130034 its reverse (430031004), we get a palindrome (830161038).

The spelling of 400130034 in words is "four hundred million, one hundred thirty thousand, thirty-four".