45421818528 has 24 divisors (see below), whose sum is σ = 119232273888. Its totient is φ = 15140606144.

The previous prime is 45421818521. The next prime is 45421818557. The reversal of 45421818528 is 82581812454.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (45421818521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 236571876 + ... + 236572067.

It is an arithmetic number, because the mean of its divisors is an integer number (4968011412).

Almost surely, 2^45421818528 is an apocalyptic number.

45421818528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45421818528 is an abundant number, since it is smaller than the sum of its proper divisors (73810455360).

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

45421818528 is a wasteful number, since it uses less digits than its factorization.

45421818528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473143956 (or 473143948 counting only the distinct ones).

The product of its digits is 819200, while the sum is 48.

The spelling of 45421818528 in words is "forty-five billion, four hundred twenty-one million, eight hundred eighteen thousand, five hundred twenty-eight".