400115034 has 48 divisors (see below), whose sum is σ = 995510880. Its totient is φ = 114864480.

The previous prime is 400115021. The next prime is 400115039. The reversal of 400115034 is 430511004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 400114998 and 400115016.

It is not an unprimeable number, because it can be changed into a prime (400115039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49417 + ... + 56940.

It is an arithmetic number, because the mean of its divisors is an integer number (20739810).

Almost surely, 2^400115034 is an apocalyptic number.

400115034 is an abundant number, since it is smaller than the sum of its proper divisors (595395846).

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

400115034 is a wasteful number, since it uses less digits than its factorization.

400115034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106395 (or 106392 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 400115034 is about 20002.8756432669. The cubic root of 400115034 is about 736.8769244382.

Adding to 400115034 its reverse (430511004), we get a palindrome (830626038).

The spelling of 400115034 in words is "four hundred million, one hundred fifteen thousand, thirty-four".