42757685072 has 20 divisors (see below), whose sum is σ = 83189645760. Its totient is φ = 21289389408.

The previous prime is 42757685059. The next prime is 42757685081. The reversal of 42757685072 is 27058675724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5586878 + ... + 5594525.

It is an arithmetic number, because the mean of its divisors is an integer number (4159482288).

Almost surely, 2^42757685072 is an apocalyptic number.

It is an amenable number.

42757685072 is a deficient number, since it is larger than the sum of its proper divisors (40431960688).

42757685072 is a wasteful number, since it uses less digits than its factorization.

42757685072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181650 (or 11181644 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 42757685072 in words is "forty-two billion, seven hundred fifty-seven million, six hundred eighty-five thousand, seventy-two".