549802279936 has 176 divisors, whose sum is σ = 1362603989376. Its totient is φ = 215911563264.

The previous prime is 549802279921. The next prime is 549802279963. The reversal of 549802279936 is 639972208945.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12744675 + ... + 12787741.

Almost surely, 2^549802279936 is an apocalyptic number.

549802279936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549802279936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681301994688).

549802279936 is an abundant number, since it is smaller than the sum of its proper divisors (812801709440).

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

549802279936 is a wasteful number, since it uses less digits than its factorization.

549802279936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43244 (or 43226 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 549802279936 in words is "five hundred forty-nine billion, eight hundred two million, two hundred seventy-nine thousand, nine hundred thirty-six".