402544030404 has 48 divisors (see below), whose sum is σ = 1046863742400. Its totient is φ = 119641568256.

The previous prime is 402544030381. The next prime is 402544030409. The reversal of 402544030404 is 404030445204.

It is not an unprimeable number, because it can be changed into a prime (402544030409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51923889 + ... + 51931640.

It is an arithmetic number, because the mean of its divisors is an integer number (21809661300).

Almost surely, 2^402544030404 is an apocalyptic number.

It is an amenable number.

402544030404 is an abundant number, since it is smaller than the sum of its proper divisors (644319711996).

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

402544030404 is a wasteful number, since it uses less digits than its factorization.

402544030404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103855572 (or 103855570 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 402544030404 its reverse (404030445204), we get a palindrome (806574475608).

The spelling of 402544030404 in words is "four hundred two billion, five hundred forty-four million, thirty thousand, four hundred four".