842654865740 has 24 divisors (see below), whose sum is σ = 1799568020880. Its totient is φ = 331349031488.

The previous prime is 842654865643. The next prime is 842654865751. The reversal of 842654865740 is 47568456248.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a self number, because there is not a number n which added to its sum of digits gives 842654865740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357055967 + ... + 357058326.

It is an arithmetic number, because the mean of its divisors is an integer number (74982000870).

Almost surely, 2^842654865740 is an apocalyptic number.

It is an amenable number.

842654865740 is an abundant number, since it is smaller than the sum of its proper divisors (956913155140).

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

842654865740 is a wasteful number, since it uses less digits than its factorization.

842654865740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714114361 (or 714114359 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 59.

The spelling of 842654865740 in words is "eight hundred forty-two billion, six hundred fifty-four million, eight hundred sixty-five thousand, seven hundred forty".