401329474792 has 72 divisors (see below), whose sum is σ = 773086169250. Its totient is φ = 195309691840.

The previous prime is 401329474789. The next prime is 401329474867. The reversal of 401329474792 is 297474923104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 389208785956 + 12120688836 = 623866^2 + 110094^2 .

It is a super-2 number, since 2×401329474792² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1290448317 + ... + 1290448627.

Almost surely, 2^401329474792 is an apocalyptic number.

It is an amenable number.

401329474792 is a deficient number, since it is larger than the sum of its proper divisors (371756694458).

401329474792 is an equidigital number, since it uses as much as digits as its factorization.

401329474792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 401329474792 in words is "four hundred one billion, three hundred twenty-nine million, four hundred seventy-four thousand, seven hundred ninety-two".