545843901540 has 144 divisors (see below), whose sum is σ = 1791464520384. Its totient is φ = 123811833600.

The previous prime is 545843901539. The next prime is 545843901557. The reversal of 545843901540 is 45109348545.

It is a self number, because there is not a number n which added to its sum of digits gives 545843901540.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323491 + ... + 1093770.

It is an arithmetic number, because the mean of its divisors is an integer number (12440725836).

Almost surely, 2^545843901540 is an apocalyptic number.

It is an amenable number.

545843901540 is an abundant number, since it is smaller than the sum of its proper divisors (1245620618844).

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

545843901540 is a wasteful number, since it uses less digits than its factorization.

545843901540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417418 (or 1417409 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 545843901540 in words is "five hundred forty-five billion, eight hundred forty-three million, nine hundred one thousand, five hundred forty".