401401315 has 24 divisors (see below), whose sum is σ = 581009760. Its totient is φ = 260751744.

The previous prime is 401401243. The next prime is 401401321. The reversal of 401401315 is 513104104.

It is not a de Polignac number, because 401401315 - 2¹⁵ = 401368547 is a prime.

It is a super-2 number, since 2×401401315² = 322246031367458450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 401401292 and 401401301.

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 23 ways as a sum of consecutive naturals, for example, 3250 + ... + 28519.

It is an arithmetic number, because the mean of its divisors is an integer number (24208740).

Almost surely, 2^401401315 is an apocalyptic number.

401401315 is a deficient number, since it is larger than the sum of its proper divisors (179608445).

401401315 is a wasteful number, since it uses less digits than its factorization.

401401315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31819 (or 31800 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401401315 is about 20035.0022460693. The cubic root of 401401315 is about 737.6657116855.

Adding to 401401315 its reverse (513104104), we get a palindrome (914505419).

The spelling of 401401315 in words is "four hundred one million, four hundred one thousand, three hundred fifteen".