401375379 has 16 divisors (see below), whose sum is σ = 542822400. Its totient is φ = 263767296.

The previous prime is 401375357. The next prime is 401375417. The reversal of 401375379 is 973573104.

It is a happy number.

It is not a de Polignac number, because 401375379 - 2⁸ = 401375123 is a prime.

It is a super-2 number, since 2×401375379² = 322204389734787282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401375309) 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, 219262 + ... + 221084.

It is an arithmetic number, because the mean of its divisors is an integer number (33926400).

Almost surely, 2^401375379 is an apocalyptic number.

401375379 is a deficient number, since it is larger than the sum of its proper divisors (141447021).

401375379 is a wasteful number, since it uses less digits than its factorization.

401375379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 401375379 is about 20034.3549684036. The cubic root of 401375379 is about 737.6498235878.

The spelling of 401375379 in words is "four hundred one million, three hundred seventy-five thousand, three hundred seventy-nine".