401440594 has 16 divisors (see below), whose sum is σ = 619063200. Its totient is φ = 195121440.

The previous prime is 401440577. The next prime is 401440619. The reversal of 401440594 is 495044104.

It is a super-2 number, since 2×401440594² = 322309101022145672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14557 + ... + 31855.

It is an arithmetic number, because the mean of its divisors is an integer number (38691450).

Almost surely, 2^401440594 is an apocalyptic number.

401440594 is a deficient number, since it is larger than the sum of its proper divisors (217622606).

401440594 is a wasteful number, since it uses less digits than its factorization.

401440594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17625.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 401440594 is about 20035.9824815256. The cubic root of 401440594 is about 737.6897722498.

Adding to 401440594 its reverse (495044104), we get a palindrome (896484698).

The spelling of 401440594 in words is "four hundred one million, four hundred forty thousand, five hundred ninety-four".