544530032440 has 64 divisors (see below), whose sum is σ = 1231091316000. Its totient is φ = 216765739008.

The previous prime is 544530032413. The next prime is 544530032441. The reversal of 544530032440 is 44230035445.

It is a junction number, because it is equal to n+sod(n) for n = 544530032396 and 544530032405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544530032441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7336636 + ... + 7410484.

Almost surely, 2^544530032440 is an apocalyptic number.

It is an amenable number.

544530032440 is an abundant number, since it is smaller than the sum of its proper divisors (686561283560).

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

544530032440 is a wasteful number, since it uses less digits than its factorization.

544530032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74744 (or 74740 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 544530032440 its reverse (44230035445), we get a palindrome (588760067885).

The spelling of 544530032440 in words is "five hundred forty-four billion, five hundred thirty million, thirty-two thousand, four hundred forty".