401255307 has 12 divisors (see below), whose sum is σ = 583148904. Its totient is φ = 265861440.

The previous prime is 401255303. The next prime is 401255311. The reversal of 401255307 is 703552104.

It is a happy number.

401255307 is a `hidden beast` number, since 4 + 0 + 125 + 530 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (401255303) and next prime (401255311).

It is not a de Polignac number, because 401255307 - 2² = 401255303 is a prime.

It is a super-2 number, since 2×401255307² = 322011642791328498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401255303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135294 + ... + 138227.

It is an arithmetic number, because the mean of its divisors is an integer number (48595742).

Almost surely, 2^401255307 is an apocalyptic number.

401255307 is a deficient number, since it is larger than the sum of its proper divisors (181893597).

401255307 is a wasteful number, since it uses less digits than its factorization.

401255307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690 (or 273687 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 401255307 is about 20031.3580917520. The cubic root of 401255307 is about 737.5762599300.

It can be divided in two parts, 4012 and 55307, that added together give a cube (59319 = 39³).

The spelling of 401255307 in words is "four hundred one million, two hundred fifty-five thousand, three hundred seven".