401568819415 has 8 divisors (see below), whose sum is σ = 488669662368. Its totient is φ = 316730336160.

The previous prime is 401568819413. The next prime is 401568819419. The reversal of 401568819415 is 514918865104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401568819415 - 2¹ = 401568819413 is a prime.

It is a super-2 number, since 2×401568819415² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401568819413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565589532 + ... + 565590241.

It is an arithmetic number, because the mean of its divisors is an integer number (61083707796).

Almost surely, 2^401568819415 is an apocalyptic number.

401568819415 is a deficient number, since it is larger than the sum of its proper divisors (87100842953).

401568819415 is a wasteful number, since it uses less digits than its factorization.

401568819415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131179849.

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 401568819415 in words is "four hundred one billion, five hundred sixty-eight million, eight hundred nineteen thousand, four hundred fifteen".