544436140 has 96 divisors (see below), whose sum is σ = 1224720000. Its totient is φ = 202954752.

The previous prime is 544436099. The next prime is 544436149. The reversal of 544436140 is 41634445.

It is not an unprimeable number, because it can be changed into a prime (544436149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2735761 + ... + 2735959.

It is an arithmetic number, because the mean of its divisors is an integer number (12757500).

Almost surely, 2^544436140 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 544436140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612360000).

544436140 is an abundant number, since it is smaller than the sum of its proper divisors (680283860).

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

544436140 is a wasteful number, since it uses less digits than its factorization.

544436140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 544436140 is about 23333.1553802738. The cubic root of 544436140 is about 816.5491205709.

The spelling of 544436140 in words is "five hundred forty-four million, four hundred thirty-six thousand, one hundred forty".