545313840 has 40 divisors (see below), whose sum is σ = 1690473648. Its totient is φ = 145416960.

The previous prime is 545313829. The next prime is 545313863. The reversal of 545313840 is 48313545.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1135831 + ... + 1136310.

Almost surely, 2^545313840 is an apocalyptic number.

It is an amenable number.

545313840 is an abundant number, since it is smaller than the sum of its proper divisors (1145159808).

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

545313840 is a wasteful number, since it uses less digits than its factorization.

545313840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272157 (or 2272151 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 545313840 is about 23351.9558067413. The cubic root of 545313840 is about 816.9876785125.

The spelling of 545313840 in words is "five hundred forty-five million, three hundred thirteen thousand, eight hundred forty".