549268620 has 48 divisors (see below), whose sum is σ = 1549201248. Its totient is φ = 145400320.

The previous prime is 549268619. The next prime is 549268651. The reversal of 549268620 is 26862945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25191 + ... + 41630.

It is an arithmetic number, because the mean of its divisors is an integer number (32275026).

Almost surely, 2^549268620 is an apocalyptic number.

It is an amenable number.

549268620 is an abundant number, since it is smaller than the sum of its proper divisors (999932628).

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

549268620 is a wasteful number, since it uses less digits than its factorization.

549268620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66970 (or 66968 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 549268620 is about 23436.4805378282. The cubic root of 549268620 is about 818.9579366584.

It can be divided in two parts, 54926 and 8620, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 549268620 in words is "five hundred forty-nine million, two hundred sixty-eight thousand, six hundred twenty".