42815883652 has 12 divisors (see below), whose sum is σ = 76156121356. Its totient is φ = 21056991840.

The previous prime is 42815883631. The next prime is 42815883683. The reversal of 42815883652 is 25638851824.

It can be written as a sum of positive squares in 2 ways, for example, as 11636799876 + 31179083776 = 107874^2 + 176576^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42815883652.

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, 87737223 + ... + 87737710.

Almost surely, 2^42815883652 is an apocalyptic number.

It is an amenable number.

42815883652 is a deficient number, since it is larger than the sum of its proper divisors (33340237704).

42815883652 is a wasteful number, since it uses less digits than its factorization.

42815883652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175474998 (or 175474996 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The spelling of 42815883652 in words is "forty-two billion, eight hundred fifteen million, eight hundred eighty-three thousand, six hundred fifty-two".