45328977280 has 32 divisors (see below), whose sum is σ = 108364587840. Its totient is φ = 18131590656.

The previous prime is 45328977227. The next prime is 45328977299. The reversal of 45328977280 is 8277982354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 35412624 + ... + 35413903.

It is an arithmetic number, because the mean of its divisors is an integer number (3386393370).

Almost surely, 2^45328977280 is an apocalyptic number.

45328977280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45328977280 is an abundant number, since it is smaller than the sum of its proper divisors (63035610560).

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

45328977280 is an equidigital number, since it uses as much as digits as its factorization.

45328977280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70826546 (or 70826534 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 45328977280 in words is "forty-five billion, three hundred twenty-eight million, nine hundred seventy-seven thousand, two hundred eighty".