402442400004 has 24 divisors (see below), whose sum is σ = 939044762208. Its totient is φ = 134145681600.

The previous prime is 402442399963. The next prime is 402442400011. The reversal of 402442400004 is 400004244204.

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, 972504 + ... + 1323120.

It is an arithmetic number, because the mean of its divisors is an integer number (39126865092).

Almost surely, 2^402442400004 is an apocalyptic number.

It is an amenable number.

402442400004 is an abundant number, since it is smaller than the sum of its proper divisors (536602362204).

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

402442400004 is a wasteful number, since it uses less digits than its factorization.

402442400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446275 (or 446273 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 402442400004 its reverse (400004244204), we get a palindrome (802446644208).

The spelling of 402442400004 in words is "four hundred two billion, four hundred forty-two million, four hundred thousand, four".