42656003660 has 24 divisors (see below), whose sum is σ = 90584101440. Its totient is φ = 16870688384.

The previous prime is 42656003651. The next prime is 42656003683. The reversal of 42656003660 is 6630065624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11980244 + ... + 11983803.

It is an arithmetic number, because the mean of its divisors is an integer number (3774337560).

Almost surely, 2^42656003660 is an apocalyptic number.

It is an amenable number.

42656003660 is an abundant number, since it is smaller than the sum of its proper divisors (47928097780).

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

42656003660 is a wasteful number, since it uses less digits than its factorization.

42656003660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23964145 (or 23964143 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 42656003660 in words is "forty-two billion, six hundred fifty-six million, three thousand, six hundred sixty".