544105640 has 48 divisors (see below), whose sum is σ = 1325670300. Its totient is φ = 200898048.

The previous prime is 544105619. The next prime is 544105651. The reversal of 544105640 is 46501445.

It can be written as a sum of positive squares in 6 ways, for example, as 197177764 + 346927876 = 14042^2 + 18626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33485 + ... + 47004.

Almost surely, 2^544105640 is an apocalyptic number.

It is an amenable number.

544105640 is an abundant number, since it is smaller than the sum of its proper divisors (781564660).

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

544105640 is a wasteful number, since it uses less digits than its factorization.

544105640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80526 (or 80509 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 544105640 is about 23326.0721082655. The cubic root of 544105640 is about 816.3838583905.

The spelling of 544105640 in words is "five hundred forty-four million, one hundred five thousand, six hundred forty".