401313445 has 32 divisors (see below), whose sum is σ = 538030080. Its totient is φ = 285361920.

The previous prime is 401313439. The next prime is 401313461. The reversal of 401313445 is 544313104.

It is not a de Polignac number, because 401313445 - 2⁵ = 401313413 is a prime.

It is a super-2 number, since 2×401313445² = 322104962275536050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557796 + ... + 558514.

It is an arithmetic number, because the mean of its divisors is an integer number (16813440).

Almost surely, 2^401313445 is an apocalyptic number.

It is an amenable number.

401313445 is a deficient number, since it is larger than the sum of its proper divisors (136716635).

401313445 is a wasteful number, since it uses less digits than its factorization.

401313445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 401313445 is about 20032.8092138871. The cubic root of 401313445 is about 737.6118807571.

Adding to 401313445 its reverse (544313104), we get a palindrome (945626549).

The spelling of 401313445 in words is "four hundred one million, three hundred thirteen thousand, four hundred forty-five".