402121014404 has 24 divisors (see below), whose sum is σ = 766292318400. Its totient is φ = 183910154400.

The previous prime is 402121014377. The next prime is 402121014413. The reversal of 402121014404 is 404410121204.

It is a self number, because there is not a number n which added to its sum of digits gives 402121014404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91223072 + ... + 91227479.

It is an arithmetic number, because the mean of its divisors is an integer number (31928846600).

Almost surely, 2^402121014404 is an apocalyptic number.

It is an amenable number.

402121014404 is a deficient number, since it is larger than the sum of its proper divisors (364171303996).

402121014404 is a wasteful number, since it uses less digits than its factorization.

402121014404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182450603 (or 182450601 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 402121014404 its reverse (404410121204), we get a palindrome (806531135608).

The spelling of 402121014404 in words is "four hundred two billion, one hundred twenty-one million, fourteen thousand, four hundred four".