401335115 has 32 divisors (see below), whose sum is σ = 511259904. Its totient is φ = 302054400.

The previous prime is 401335091. The next prime is 401335139. The reversal of 401335115 is 511533104.

It is an interprime number because it is at equal distance from previous prime (401335091) and next prime (401335139).

It is not a de Polignac number, because 401335115 - 2²⁶ = 334226251 is a prime.

It is a super-2 number, since 2×401335115² = 322139749064126450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877967 + ... + 878423.

It is an arithmetic number, because the mean of its divisors is an integer number (15976872).

Almost surely, 2^401335115 is an apocalyptic number.

401335115 is a deficient number, since it is larger than the sum of its proper divisors (109924789).

401335115 is a wasteful number, since it uses less digits than its factorization.

401335115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 401335115 is about 20033.3500693219. The cubic root of 401335115 is about 737.6251569646.

Adding to 401335115 its reverse (511533104), we get a palindrome (912868219).

The spelling of 401335115 in words is "four hundred one million, three hundred thirty-five thousand, one hundred fifteen".