42406725584 has 10 divisors (see below), whose sum is σ = 82163030850. Its totient is φ = 21203362784.

The previous prime is 42406725533. The next prime is 42406725629. The reversal of 42406725584 is 48552760424.

It can be written as a sum of positive squares in only one way, i.e., 42406341184 + 384400 = 205928^2 + 620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325210159 + ... + 1325210190.

It is an arithmetic number, because the mean of its divisors is an integer number (8216303085).

Almost surely, 2^42406725584 is an apocalyptic number.

It is an amenable number.

42406725584 is a deficient number, since it is larger than the sum of its proper divisors (39756305266).

42406725584 is a wasteful number, since it uses less digits than its factorization.

42406725584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650420357 (or 2650420351 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 42406725584 in words is "forty-two billion, four hundred six million, seven hundred twenty-five thousand, five hundred eighty-four".