45487220492 has 24 divisors (see below), whose sum is σ = 90985967520. Its totient is φ = 19492053120.

The previous prime is 45487220489. The next prime is 45487220509. The reversal of 45487220492 is 29402278454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131384 + ... + 328992.

It is an arithmetic number, because the mean of its divisors is an integer number (3791081980).

Almost surely, 2^45487220492 is an apocalyptic number.

It is an amenable number.

45487220492 is an abundant number, since it is smaller than the sum of its proper divisors (45498747028).

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

45487220492 is a wasteful number, since it uses less digits than its factorization.

45487220492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205841 (or 205839 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 45487220492 in words is "forty-five billion, four hundred eighty-seven million, two hundred twenty thousand, four hundred ninety-two".