401335455 has 16 divisors (see below), whose sum is σ = 662851584. Its totient is φ = 207140640.

The previous prime is 401335453. The next prime is 401335457. The reversal of 401335455 is 554533104.

It is an interprime number because it is at equal distance from previous prime (401335453) and next prime (401335457).

It is not a de Polignac number, because 401335455 - 2¹ = 401335453 is a prime.

It is a super-2 number, since 2×401335455² = 322140294880114050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401335453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431079 + ... + 432008.

It is an arithmetic number, because the mean of its divisors is an integer number (41428224).

Almost surely, 2^401335455 is an apocalyptic number.

401335455 is a deficient number, since it is larger than the sum of its proper divisors (261516129).

401335455 is a wasteful number, since it uses less digits than its factorization.

401335455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863126.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 401335455 is about 20033.3585551699. The cubic root of 401335455 is about 737.6253652631.

Adding to 401335455 its reverse (554533104), we get a palindrome (955868559).

The spelling of 401335455 in words is "four hundred one million, three hundred thirty-five thousand, four hundred fifty-five".