45198073808 has 40 divisors (see below), whose sum is σ = 93992731848. Its totient is φ = 20978307072.

The previous prime is 45198073777. The next prime is 45198073813. The reversal of 45198073808 is 80837089154.

It can be written as a sum of positive squares in 4 ways, for example, as 21670195264 + 23527878544 = 147208^2 + 153388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45198073808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118291 + ... + 1158002.

Almost surely, 2^45198073808 is an apocalyptic number.

It is an amenable number.

45198073808 is an abundant number, since it is smaller than the sum of its proper divisors (48794658040).

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

45198073808 is a wasteful number, since it uses less digits than its factorization.

45198073808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276391 (or 2276385 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 45198073808 in words is "forty-five billion, one hundred ninety-eight million, seventy-three thousand, eight hundred eight".