401374443 has 16 divisors (see below), whose sum is σ = 539168000. Its totient is φ = 265589280.

The previous prime is 401374429. The next prime is 401374447. The reversal of 401374443 is 344473104.

It is not a de Polignac number, because 401374443 - 2¹⁴ = 401358059 is a prime.

It is a super-2 number, since 2×401374443² = 322202886987120498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401374443.

It is not an unprimeable number, because it can be changed into a prime (401374447) 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, 483753 + ... + 484581.

It is an arithmetic number, because the mean of its divisors is an integer number (33698000).

Almost surely, 2^401374443 is an apocalyptic number.

401374443 is a deficient number, since it is larger than the sum of its proper divisors (137793557).

401374443 is a wasteful number, since it uses less digits than its factorization.

401374443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 401374443 is about 20034.3316085164. The cubic root of 401374443 is about 737.6492501921.

The spelling of 401374443 in words is "four hundred one million, three hundred seventy-four thousand, four hundred forty-three".