42745530620 has 24 divisors (see below), whose sum is σ = 96670662144. Its totient is φ = 15782965056.

The previous prime is 42745530599. The next prime is 42745530631. The reversal of 42745530620 is 2603554724.

It is a congruent number.

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, 82202684 + ... + 82203203.

It is an arithmetic number, because the mean of its divisors is an integer number (4027944256).

Almost surely, 2^42745530620 is an apocalyptic number.

It is an amenable number.

42745530620 is an abundant number, since it is smaller than the sum of its proper divisors (53925131524).

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

42745530620 is a wasteful number, since it uses less digits than its factorization.

42745530620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164405909 (or 164405907 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 42745530620 in words is "forty-two billion, seven hundred forty-five million, five hundred thirty thousand, six hundred twenty".