401404255 has 32 divisors (see below), whose sum is σ = 586728576. Its totient is φ = 257347584.

The previous prime is 401404249. The next prime is 401404261. The reversal of 401404255 is 552404104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (401404249) and next prime (401404261).

It is a cyclic number.

It is not a de Polignac number, because 401404255 - 2¹¹ = 401402207 is a prime.

It is a super-2 number, since 2×401404255² = 322250751864210050, 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, 91267 + ... + 95563.

It is an arithmetic number, because the mean of its divisors is an integer number (18335268).

Almost surely, 2^401404255 is an apocalyptic number.

401404255 is a deficient number, since it is larger than the sum of its proper divisors (185324321).

401404255 is a wasteful number, since it uses less digits than its factorization.

401404255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 401404255 is about 20035.0756175264. The cubic root of 401404255 is about 737.6675126528.

Adding to 401404255 its reverse (552404104), we get a palindrome (953808359).

The spelling of 401404255 in words is "four hundred one million, four hundred four thousand, two hundred fifty-five".