401229992 has 32 divisors (see below), whose sum is σ = 793800000. Its totient is φ = 189600768.

The previous prime is 401229989. The next prime is 401230003. The reversal of 401229992 is 299922104.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 65309 + ... + 71187.

It is an arithmetic number, because the mean of its divisors is an integer number (24806250).

Almost surely, 2^401229992 is an apocalyptic number.

It is an amenable number.

401229992 is a deficient number, since it is larger than the sum of its proper divisors (392570008).

401229992 is a wasteful number, since it uses less digits than its factorization.

401229992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353 (or 6349 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 401229992 is about 20030.7261975196. The cubic root of 401229992 is about 737.5607484959.

The spelling of 401229992 in words is "four hundred one million, two hundred twenty-nine thousand, nine hundred ninety-two".