549996480 has 336 divisors, whose sum is σ = 2143499904. Its totient is φ = 133125120.

The previous prime is 549996479. The next prime is 549996481. The reversal of 549996480 is 84699945.

549996480 is a `hidden beast` number, since 549 + 9 + 96 + 4 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (549996479) and next prime (549996481).

It is a super-2 number, since 2×549996480² = 604992256024780800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549996481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855039 + ... + 855681.

It is an arithmetic number, because the mean of its divisors is an integer number (6379464).

Almost surely, 2^549996480 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 549996480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071749952).

549996480 is an abundant number, since it is smaller than the sum of its proper divisors (1593503424).

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

549996480 is a wasteful number, since it uses less digits than its factorization.

549996480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 549996480 is about 23452.0037523449. The cubic root of 549996480 is about 819.3195227115.

The spelling of 549996480 in words is "five hundred forty-nine million, nine hundred ninety-six thousand, four hundred eighty".