42263197828 has 12 divisors (see below), whose sum is σ = 74213023500. Its totient is φ = 21059476832.

The previous prime is 42263197819. The next prime is 42263197883. The reversal of 42263197828 is 82879136224.

It can be written as a sum of positive squares in 2 ways, for example, as 21185384704 + 21077813124 = 145552^2 + 145182^2 .

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, 18029203 + ... + 18031546.

It is an arithmetic number, because the mean of its divisors is an integer number (6184418625).

Almost surely, 2^42263197828 is an apocalyptic number.

It is an amenable number.

42263197828 is a deficient number, since it is larger than the sum of its proper divisors (31949825672).

42263197828 is a wasteful number, since it uses less digits than its factorization.

42263197828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36061046 (or 36061044 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 42263197828 in words is "forty-two billion, two hundred sixty-three million, one hundred ninety-seven thousand, eight hundred twenty-eight".