544406140 has 24 divisors (see below), whose sum is σ = 1144507392. Its totient is φ = 217523520.

The previous prime is 544406129. The next prime is 544406141. The reversal of 544406140 is 41604445.

It is a junction number, because it is equal to n+sod(n) for n = 544406099 and 544406108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544406141) 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, 4357 + ... + 33283.

It is an arithmetic number, because the mean of its divisors is an integer number (47687808).

Almost surely, 2^544406140 is an apocalyptic number.

It is an amenable number.

544406140 is an abundant number, since it is smaller than the sum of its proper divisors (600101252).

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

544406140 is a wasteful number, since it uses less digits than its factorization.

544406140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29877 (or 29875 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 544406140 is about 23332.5125093720. The cubic root of 544406140 is about 816.5341222257.

The spelling of 544406140 in words is "five hundred forty-four million, four hundred six thousand, one hundred forty".