400133034 has 48 divisors (see below), whose sum is σ = 1027510848. Its totient is φ = 114322752.

The previous prime is 400133009. The next prime is 400133057. The reversal of 400133034 is 430331004.

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 = 400132998 and 400133016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55407 + ... + 62210.

It is an arithmetic number, because the mean of its divisors is an integer number (21406476).

Almost surely, 2^400133034 is an apocalyptic number.

400133034 is an abundant number, since it is smaller than the sum of its proper divisors (627377814).

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

400133034 is a wasteful number, since it uses less digits than its factorization.

400133034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117641 (or 117629 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 400133034 is about 20003.3255735140. The cubic root of 400133034 is about 736.8879742486.

Adding to 400133034 its reverse (430331004), we get a palindrome (830464038).

The spelling of 400133034 in words is "four hundred million, one hundred thirty-three thousand, thirty-four".