400115700850 has 12 divisors (see below), whose sum is σ = 744215203674. Its totient is φ = 160046280320.

The previous prime is 400115700797. The next prime is 400115700851. The reversal of 400115700850 is 58007511004.

It can be written as a sum of positive squares in 3 ways, for example, as 262390842081 + 137724858769 = 512241^2 + 371113^2 .

It is not an unprimeable number, because it can be changed into a prime (400115700851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4001156959 + ... + 4001157058.

Almost surely, 2^400115700850 is an apocalyptic number.

400115700850 is a deficient number, since it is larger than the sum of its proper divisors (344099502824).

400115700850 is a wasteful number, since it uses less digits than its factorization.

400115700850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002314029 (or 8002314024 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The spelling of 400115700850 in words is "four hundred billion, one hundred fifteen million, seven hundred thousand, eight hundred fifty".