401329474791 has 16 divisors (see below), whose sum is σ = 618917746944. Its totient is φ = 226568101824.

The previous prime is 401329474789. The next prime is 401329474867. The reversal of 401329474791 is 197474923104.

It is not a de Polignac number, because 401329474791 - 2¹ = 401329474789 is a prime.

It is a super-2 number, since 2×401329474791² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401329474891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115124326 + ... + 115127811.

It is an arithmetic number, because the mean of its divisors is an integer number (38682359184).

Almost surely, 2^401329474791 is an apocalyptic number.

401329474791 is a deficient number, since it is larger than the sum of its proper divisors (217588272153).

401329474791 is a wasteful number, since it uses less digits than its factorization.

401329474791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230252230.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 401329474791 in words is "four hundred one billion, three hundred twenty-nine million, four hundred seventy-four thousand, seven hundred ninety-one".