45548491520 has 72 divisors (see below), whose sum is σ = 124689020064. Its totient is φ = 15616622592.

The previous prime is 45548491511. The next prime is 45548491543. The reversal of 45548491520 is 2519484554.

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, 2532809 + ... + 2550728.

Almost surely, 2^45548491520 is an apocalyptic number.

45548491520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45548491520 is an abundant number, since it is smaller than the sum of its proper divisors (79140528544).

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

45548491520 is an equidigital number, since it uses as much as digits as its factorization.

45548491520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083565 (or 5083551 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 45548491520 in words is "forty-five billion, five hundred forty-eight million, four hundred ninety-one thousand, five hundred twenty".