401255455 has 8 divisors (see below), whose sum is σ = 498110400. Its totient is φ = 309935136.

The previous prime is 401255431. The next prime is 401255467. The reversal of 401255455 is 554552104.

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 401255455 - 2⁹ = 401254943 is a prime.

It is a super-2 number, since 2×401255455² = 322011880334514050, 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 7 ways as a sum of consecutive naturals, for example, 1383495 + ... + 1383784.

It is an arithmetic number, because the mean of its divisors is an integer number (62263800).

Almost surely, 2^401255455 is an apocalyptic number.

401255455 is a deficient number, since it is larger than the sum of its proper divisors (96854945).

401255455 is a wasteful number, since it uses less digits than its factorization.

401255455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767313.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 401255455 is about 20031.3617859595. The cubic root of 401255455 is about 737.5763506131.

The spelling of 401255455 in words is "four hundred one million, two hundred fifty-five thousand, four hundred fifty-five".