42337917172 has 12 divisors (see below), whose sum is σ = 78449670180. Its totient is φ = 19923725696.

The previous prime is 42337917169. The next prime is 42337917197. The reversal of 42337917172 is 27171973324.

It can be written as a sum of positive squares in 2 ways, for example, as 38374459236 + 3963457936 = 195894^2 + 62956^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311308147 + ... + 311308282.

It is an arithmetic number, because the mean of its divisors is an integer number (6537472515).

Almost surely, 2^42337917172 is an apocalyptic number.

It is an amenable number.

42337917172 is a deficient number, since it is larger than the sum of its proper divisors (36111753008).

42337917172 is a wasteful number, since it uses less digits than its factorization.

42337917172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622616450 (or 622616448 counting only the distinct ones).

The product of its digits is 444528, while the sum is 46.

The spelling of 42337917172 in words is "forty-two billion, three hundred thirty-seven million, nine hundred seventeen thousand, one hundred seventy-two".