45418164490 has 36 divisors (see below), whose sum is σ = 86306263506. Its totient is φ = 17206241616.

The previous prime is 45418164439. The next prime is 45418164499. The reversal of 45418164490 is 9446181454.

It can be written as a sum of positive squares in only one way, i.e., 40876348041 + 4541816449 = 202179^2 + 67393^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45418164490.

It is not an unprimeable number, because it can be changed into a prime (45418164499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12802897 + ... + 12806443.

Almost surely, 2^45418164490 is an apocalyptic number.

45418164490 is a deficient number, since it is larger than the sum of its proper divisors (40888099016).

45418164490 is an frugal number, since it uses more digits than its factorization.

45418164490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

It can be divided in two parts, 454181 and 64490, that added together give a triangular number (518671 = T₁₀₁₈).

The spelling of 45418164490 in words is "forty-five billion, four hundred eighteen million, one hundred sixty-four thousand, four hundred ninety".