545300420520 has 64 divisors (see below), whose sum is σ = 1651783835520. Its totient is φ = 144001661184.

The previous prime is 545300420519. The next prime is 545300420579. The reversal of 545300420520 is 25024003545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22046719 + ... + 22071438.

It is an arithmetic number, because the mean of its divisors is an integer number (25809122430).

Almost surely, 2^545300420520 is an apocalyptic number.

It is an amenable number.

545300420520 is an abundant number, since it is smaller than the sum of its proper divisors (1106483415000).

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

545300420520 is a wasteful number, since it uses less digits than its factorization.

545300420520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44118274 (or 44118270 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 545300420520 in words is "five hundred forty-five billion, three hundred million, four hundred twenty thousand, five hundred twenty".