401399913004 has 12 divisors (see below), whose sum is σ = 714355777800. Its totient is φ = 197298262208.

The previous prime is 401399912993. The next prime is 401399913017. The reversal of 401399913004 is 400319993104.

It is a super-3 number, since 3×401399913004³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850423309 + ... + 850423780.

It is an arithmetic number, because the mean of its divisors is an integer number (59529648150).

Almost surely, 2^401399913004 is an apocalyptic number.

It is an amenable number.

401399913004 is a deficient number, since it is larger than the sum of its proper divisors (312955864796).

401399913004 is a wasteful number, since it uses less digits than its factorization.

401399913004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700847152 (or 1700847150 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 401399913004 in words is "four hundred one billion, three hundred ninety-nine million, nine hundred thirteen thousand, four".