400695760000 has 80 divisors (see below), whose sum is σ = 997507250190. Its totient is φ = 160278272000.

The previous prime is 400695759973. The next prime is 400695760007. The reversal of 400695760000 is 67596004.

It can be written as a sum of positive squares in 5 ways, for example, as 30535465536 + 370160294464 = 174744^2 + 608408^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (400695760007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2424349 + ... + 2584348.

Almost surely, 2^400695760000 is an apocalyptic number.

400695760000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400695760000 is an abundant number, since it is smaller than the sum of its proper divisors (596811490190).

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

400695760000 is an frugal number, since it uses more digits than its factorization.

400695760000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008731 (or 5008704 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 400695760000 in words is "four hundred billion, six hundred ninety-five million, seven hundred sixty thousand".