42607981584 has 120 divisors (see below), whose sum is σ = 141325329600. Its totient is φ = 12173701248.

The previous prime is 42607981573. The next prime is 42607981609. The reversal of 42607981584 is 48518970624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 42607981584.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755559 + ... + 809990.

It is an arithmetic number, because the mean of its divisors is an integer number (1177711080).

Almost surely, 2^42607981584 is an apocalyptic number.

It is an amenable number.

42607981584 is an abundant number, since it is smaller than the sum of its proper divisors (98717348016).

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

42607981584 is a wasteful number, since it uses less digits than its factorization.

42607981584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565579 (or 1565561 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 42607981584 in words is "forty-two billion, six hundred seven million, nine hundred eighty-one thousand, five hundred eighty-four".