401255235 has 32 divisors (see below), whose sum is σ = 714170880. Its totient is φ = 213754464.

The previous prime is 401255191. The next prime is 401255237. The reversal of 401255235 is 532552104.

It is a happy number.

401255235 is a `hidden beast` number, since 401 + 25 + 5 + 235 = 666.

It is not a de Polignac number, because 401255235 - 2¹⁵ = 401222467 is a prime.

It is a super-2 number, since 2×401255235² = 322011527229810450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 401255199 and 401255208.

It is not an unprimeable number, because it can be changed into a prime (401255237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224154 + ... + 225936.

It is an arithmetic number, because the mean of its divisors is an integer number (22317840).

Almost surely, 2^401255235 is an apocalyptic number.

401255235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401255235 is a deficient number, since it is larger than the sum of its proper divisors (312915645).

401255235 is a wasteful number, since it uses less digits than its factorization.

401255235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 401255235 is about 20031.3562945698. The cubic root of 401255235 is about 737.5762158138.

The spelling of 401255235 in words is "four hundred one million, two hundred fifty-five thousand, two hundred thirty-five".