45480043728 has 160 divisors (see below), whose sum is σ = 157046297600. Its totient is φ = 12310372224.

The previous prime is 45480043723. The next prime is 45480043799. The reversal of 45480043728 is 82734008454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45480043723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338326 + ... + 453237.

It is an arithmetic number, because the mean of its divisors is an integer number (981539360).

Almost surely, 2^45480043728 is an apocalyptic number.

45480043728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45480043728 is an abundant number, since it is smaller than the sum of its proper divisors (111566253872).

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

45480043728 is a wasteful number, since it uses less digits than its factorization.

45480043728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791606 (or 791594 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 45480043728 in words is "forty-five billion, four hundred eighty million, forty-three thousand, seven hundred twenty-eight".