400071073616688 has 80 divisors (see below), whose sum is σ = 1044220076748800. Its totient is φ = 131976101910528.

The previous prime is 400071073616623. The next prime is 400071073616719. The reversal of 400071073616688 is 886616370170004.

It is a super-2 number, since 2×400071073616688² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99183513 + ... + 103138311.

It is an arithmetic number, because the mean of its divisors is an integer number (13052750959360).

Almost surely, 2^{400071073616688} is an apocalyptic number.

400071073616688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400071073616688 is an abundant number, since it is smaller than the sum of its proper divisors (644149003132112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400071073616688 is a wasteful number, since it uses less digits than its factorization.

400071073616688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976634 (or 3976628 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 400071073616688 in words is "four hundred trillion, seventy-one billion, seventy-three million, six hundred sixteen thousand, six hundred eighty-eight".