549207990100 has 288 divisors, whose sum is σ = 1504257221376. Its totient is φ = 169073049600.

The previous prime is 549207990083. The next prime is 549207990109. The reversal of 549207990100 is 1099702945.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549207990109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 293222764 + ... + 293224636.

It is an arithmetic number, because the mean of its divisors is an integer number (5223115352).

Almost surely, 2^549207990100 is an apocalyptic number.

549207990100 is a gapful number since it is divisible by the number (50) 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 549207990100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752128610688).

549207990100 is an abundant number, since it is smaller than the sum of its proper divisors (955049231276).

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

549207990100 is a wasteful number, since it uses less digits than its factorization.

549207990100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 549207990100 in words is "five hundred forty-nine billion, two hundred seven million, nine hundred ninety thousand, one hundred".