400143758016 has 56 divisors (see below), whose sum is σ = 1062649568880. Its totient is φ = 132885394432.

The previous prime is 400143758011. The next prime is 400143758017. The reversal of 400143758016 is 610857341004.

It is not an unprimeable number, because it can be changed into a prime (400143758011) 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, 3822111 + ... + 3925406.

Almost surely, 2^400143758016 is an apocalyptic number.

It is an amenable number.

400143758016 is an abundant number, since it is smaller than the sum of its proper divisors (662505810864).

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

400143758016 is a wasteful number, since it uses less digits than its factorization.

400143758016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747801 (or 7747791 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 400143758016 in words is "four hundred billion, one hundred forty-three million, seven hundred fifty-eight thousand, sixteen".