549925740 has 576 divisors, whose sum is σ = 2294046720. Its totient is φ = 106375680.

The previous prime is 549925729. The next prime is 549925793. The reversal of 549925740 is 47529945.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17739525 + ... + 17739555.

It is an arithmetic number, because the mean of its divisors is an integer number (3982720).

Almost surely, 2^549925740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549925740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147023360).

549925740 is an abundant number, since it is smaller than the sum of its proper divisors (1744120980).

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

549925740 is a wasteful number, since it uses less digits than its factorization.

549925740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 549925740 is about 23450.4955171527. The cubic root of 549925740 is about 819.2843945182.

The spelling of 549925740 in words is "five hundred forty-nine million, nine hundred twenty-five thousand, seven hundred forty".