544260864 has 144 divisors (see below), whose sum is σ = 1713035520. Its totient is φ = 150097920.

The previous prime is 544260839. The next prime is 544260877. The reversal of 544260864 is 468062445.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154159 + ... + 157649.

It is an arithmetic number, because the mean of its divisors is an integer number (11896080).

Almost surely, 2^544260864 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 544260864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856517760).

544260864 is an abundant number, since it is smaller than the sum of its proper divisors (1168774656).

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

544260864 is a wasteful number, since it uses less digits than its factorization.

544260864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 544260864 is about 23329.3991349970. The cubic root of 544260864 is about 816.4614844432.

The spelling of 544260864 in words is "five hundred forty-four million, two hundred sixty thousand, eight hundred sixty-four".