401376265 has 16 divisors (see below), whose sum is σ = 500176656. Its totient is φ = 308966400.

The previous prime is 401376257. The next prime is 401376281. The reversal of 401376265 is 562673104.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4888521 + 396487744 = 2211^2 + 19912^2 .

It is not a de Polignac number, because 401376265 - 2³ = 401376257 is a prime.

It is a super-2 number, since 2×401376265² = 322205812210700450, 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 401376265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555 + ... + 28375.

It is an arithmetic number, because the mean of its divisors is an integer number (31261041).

Almost surely, 2^401376265 is an apocalyptic number.

It is an amenable number.

401376265 is a deficient number, since it is larger than the sum of its proper divisors (98800391).

401376265 is a wasteful number, since it uses less digits than its factorization.

401376265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26940.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 401376265 is about 20034.3770804086. The cubic root of 401376265 is about 737.6503663526.

The spelling of 401376265 in words is "four hundred one million, three hundred seventy-six thousand, two hundred sixty-five".