540889020 has 72 divisors (see below), whose sum is σ = 1875086304. Its totient is φ = 123631488.

The previous prime is 540889001. The next prime is 540889031. The reversal of 540889020 is 20988045.

540889020 is a `hidden beast` number, since 540 + 8 + 8 + 90 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213379 + ... + 215898.

Almost surely, 2^540889020 is an apocalyptic number.

It is an amenable number.

540889020 is an abundant number, since it is smaller than the sum of its proper divisors (1334197284).

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

540889020 is a wasteful number, since it uses less digits than its factorization.

540889020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429299 (or 429294 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 540889020 is about 23257.0208754260. The cubic root of 540889020 is about 814.7719235830.

The spelling of 540889020 in words is "five hundred forty million, eight hundred eighty-nine thousand, twenty".