42961644004 has 24 divisors (see below), whose sum is σ = 79259378688. Its totient is φ = 20345593920.

The previous prime is 42961643999. The next prime is 42961644013. The reversal of 42961644004 is 40044616924.

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, 3679969 + ... + 3691624.

It is an arithmetic number, because the mean of its divisors is an integer number (3302474112).

Almost surely, 2^42961644004 is an apocalyptic number.

It is an amenable number.

42961644004 is a deficient number, since it is larger than the sum of its proper divisors (36297734684).

42961644004 is a wasteful number, since it uses less digits than its factorization.

42961644004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371675 (or 7371673 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 42961644004 in words is "forty-two billion, nine hundred sixty-one million, six hundred forty-four thousand, four".