401438449004 has 24 divisors (see below), whose sum is σ = 744551060400. Its totient is φ = 188732089856.

The previous prime is 401438448941. The next prime is 401438449039. The reversal of 401438449004 is 400944834104.

It is a super-2 number, since 2×401438449004² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2742542 + ... + 2885205.

It is an arithmetic number, because the mean of its divisors is an integer number (31022960850).

Almost surely, 2^401438449004 is an apocalyptic number.

It is an amenable number.

401438449004 is a deficient number, since it is larger than the sum of its proper divisors (343112611396).

401438449004 is a wasteful number, since it uses less digits than its factorization.

401438449004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628817 (or 5628815 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 401438449004 in words is "four hundred one billion, four hundred thirty-eight million, four hundred forty-nine thousand, four".