544502440 has 32 divisors (see below), whose sum is σ = 1225917000. Its totient is φ = 217661184.

The previous prime is 544502429. The next prime is 544502447. The reversal of 544502440 is 44205445.

It can be written as a sum of positive squares in 4 ways, for example, as 543915684 + 586756 = 23322^2 + 766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 544502399 and 544502408.

It is not an unprimeable number, because it can be changed into a prime (544502447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77806 + ... + 84514.

Almost surely, 2^544502440 is an apocalyptic number.

It is an amenable number.

544502440 is an abundant number, since it is smaller than the sum of its proper divisors (681414560).

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

544502440 is a wasteful number, since it uses less digits than its factorization.

544502440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 544502440 is about 23334.5760621443. The cubic root of 544502440 is about 816.5822649597.

Adding to 544502440 its reverse (44205445), we get a palindrome (588707885).

The spelling of 544502440 in words is "five hundred forty-four million, five hundred two thousand, four hundred forty".