549620790 has 64 divisors (see below), whose sum is σ = 1402410240. Its totient is φ = 137462400.

The previous prime is 549620783. The next prime is 549620803. The reversal of 549620790 is 97026945.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52797 + ... + 62343.

It is an arithmetic number, because the mean of its divisors is an integer number (21912660).

Almost surely, 2^549620790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549620790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701205120).

549620790 is an abundant number, since it is smaller than the sum of its proper divisors (852789450).

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

549620790 is a wasteful number, since it uses less digits than its factorization.

549620790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 549620790 is about 23443.9926207120. The cubic root of 549620790 is about 819.1329274179.

The spelling of 549620790 in words is "five hundred forty-nine million, six hundred twenty thousand, seven hundred ninety".