402331104 has 96 divisors (see below), whose sum is σ = 1341123840. Its totient is φ = 114950016.

The previous prime is 402331103. The next prime is 402331147. The reversal of 402331104 is 401133204.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402331103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27214 + ... + 39309.

It is an arithmetic number, because the mean of its divisors is an integer number (13970040).

Almost surely, 2^402331104 is an apocalyptic number.

It is an amenable number.

402331104 is an abundant number, since it is smaller than the sum of its proper divisors (938792736).

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

402331104 is a wasteful number, since it uses less digits than its factorization.

402331104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66549 (or 66535 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 402331104 is about 20058.1929395447. The cubic root of 402331104 is about 738.2348383452.

Adding to 402331104 its reverse (401133204), we get a palindrome (803464308).

The spelling of 402331104 in words is "four hundred two million, three hundred thirty-one thousand, one hundred four".