401315015 has 8 divisors (see below), whose sum is σ = 482375040. Its totient is φ = 320520672.

The previous prime is 401314997. The next prime is 401315027. The reversal of 401315015 is 510513104.

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 401315015 - 2⁶ = 401314951 is a prime.

It is a super-2 number, since 2×401315015² = 322107482528900450, 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, 63080 + ... + 69149.

It is an arithmetic number, because the mean of its divisors is an integer number (60296880).

Almost surely, 2^401315015 is an apocalyptic number.

401315015 is a deficient number, since it is larger than the sum of its proper divisors (81060025).

401315015 is a wasteful number, since it uses less digits than its factorization.

401315015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132841.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 401315015 is about 20032.8483995661. The cubic root of 401315015 is about 737.6128426396.

Adding to 401315015 its reverse (510513104), we get a palindrome (911828119).

The spelling of 401315015 in words is "four hundred one million, three hundred fifteen thousand, fifteen".