549379399200 has 144 divisors (see below), whose sum is σ = 1789874565696. Its totient is φ = 146366438400.

The previous prime is 549379399169. The next prime is 549379399213. The reversal of 549379399200 is 2993973945.

549379399200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×549379399200³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2518485 + ... + 2727915.

It is an arithmetic number, because the mean of its divisors is an integer number (12429684484).

Almost surely, 2^549379399200 is an apocalyptic number.

549379399200 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 549379399200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894937282848).

549379399200 is an abundant number, since it is smaller than the sum of its proper divisors (1240495166496).

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

549379399200 is a wasteful number, since it uses less digits than its factorization.

549379399200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210547 (or 210534 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 60.

The spelling of 549379399200 in words is "five hundred forty-nine billion, three hundred seventy-nine million, three hundred ninety-nine thousand, two hundred".