401842987696 has 20 divisors (see below), whose sum is σ = 782260704184. Its totient is φ = 199969257600.

The previous prime is 401842987691. The next prime is 401842987697. The reversal of 401842987696 is 696789248104.

It is a super-2 number, since 2×401842987696² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401842987691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59511285 + ... + 59518036.

Almost surely, 2^401842987696 is an apocalyptic number.

It is an amenable number.

401842987696 is a deficient number, since it is larger than the sum of its proper divisors (380417716488).

401842987696 is a wasteful number, since it uses less digits than its factorization.

401842987696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119029540 (or 119029534 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 401842987696 in words is "four hundred one billion, eight hundred forty-two million, nine hundred eighty-seven thousand, six hundred ninety-six".