544890000 has 200 divisors, whose sum is σ = 1805946912. Its totient is φ = 141440000.

The previous prime is 544889977. The next prime is 544890067. The reversal of 544890000 is 98445.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×544890000² = 593810224200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 544890000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1229779 + ... + 1230221.

Almost surely, 2^544890000 is an apocalyptic number.

544890000 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 544890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902973456).

544890000 is an abundant number, since it is smaller than the sum of its proper divisors (1261056912).

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

544890000 is a wasteful number, since it uses less digits than its factorization.

544890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 544890000 is about 23342.8789998149. The cubic root of 544890000 is about 816.7759583474.

The spelling of 544890000 in words is "five hundred forty-four million, eight hundred ninety thousand".