402143192704 has 32 divisors (see below), whose sum is σ = 873975975840. Its totient is φ = 182792359680.

The previous prime is 402143192639. The next prime is 402143192741. The reversal of 402143192704 is 407291341204.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142805124 + ... + 142807939.

It is an arithmetic number, because the mean of its divisors is an integer number (27311749245).

Almost surely, 2^402143192704 is an apocalyptic number.

402143192704 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402143192704 is an abundant number, since it is smaller than the sum of its proper divisors (471832783136).

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

402143192704 is a wasteful number, since it uses less digits than its factorization.

402143192704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285613088 (or 285613076 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 402143192704 in words is "four hundred two billion, one hundred forty-three million, one hundred ninety-two thousand, seven hundred four".