401165441 has 8 divisors (see below), whose sum is σ = 409872384. Its totient is φ = 392545440.

The previous prime is 401165437. The next prime is 401165459. The reversal of 401165441 is 144561104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401165441 - 2² = 401165437 is a prime.

It is a super-2 number, since 2×401165441² = 321867422105448962, 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 401165441.

It is not an unprimeable number, because it can be changed into a prime (401165491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12365 + ... + 30906.

It is an arithmetic number, because the mean of its divisors is an integer number (51234048).

Almost surely, 2^401165441 is an apocalyptic number.

It is an amenable number.

401165441 is a deficient number, since it is larger than the sum of its proper divisors (8706943).

401165441 is a wasteful number, since it uses less digits than its factorization.

401165441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43471.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 401165441 is about 20029.1148331622. The cubic root of 401165441 is about 737.5211927646.

The spelling of 401165441 in words is "four hundred one million, one hundred sixty-five thousand, four hundred forty-one".