549407436 has 48 divisors (see below), whose sum is σ = 1328527200. Its totient is φ = 176504832.

The previous prime is 549407399. The next prime is 549407447. The reversal of 549407436 is 634704945.

549407436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266586 + ... + 268638.

It is an arithmetic number, because the mean of its divisors is an integer number (27677650).

Almost surely, 2^549407436 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 549407436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664263600).

549407436 is an abundant number, since it is smaller than the sum of its proper divisors (779119764).

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

549407436 is a wasteful number, since it uses less digits than its factorization.

549407436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 549407436 is about 23439.4418875536. The cubic root of 549407436 is about 819.0269222665.

The spelling of 549407436 in words is "five hundred forty-nine million, four hundred seven thousand, four hundred thirty-six".