400152705168 has 40 divisors (see below), whose sum is σ = 1055722036608. Its totient is φ = 130546271872.

The previous prime is 400152705163. The next prime is 400152705203. The reversal of 400152705168 is 861507251004.

It is not an unprimeable number, because it can be changed into a prime (400152705163) 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, 88684071 + ... + 88688582.

Almost surely, 2^400152705168 is an apocalyptic number.

400152705168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400152705168 is an abundant number, since it is smaller than the sum of its proper divisors (655569331440).

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

400152705168 is a wasteful number, since it uses less digits than its factorization.

400152705168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177372711 (or 177372705 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 400152705168 in words is "four hundred billion, one hundred fifty-two million, seven hundred five thousand, one hundred sixty-eight".