544126440 has 256 divisors, whose sum is σ = 1971889920. Its totient is φ = 118333440.

The previous prime is 544126417. The next prime is 544126489. The reversal of 544126440 is 44621445.

It is a happy number.

544126440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 544126398 and 544126407.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 634492 + ... + 635348.

It is an arithmetic number, because the mean of its divisors is an integer number (7702695).

Almost surely, 2^544126440 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 544126440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985944960).

544126440 is an abundant number, since it is smaller than the sum of its proper divisors (1427763480).

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

544126440 is a wasteful number, since it uses less digits than its factorization.

544126440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 544126440 is about 23326.5179570377. The cubic root of 544126440 is about 816.3942611301.

Adding to 544126440 its reverse (44621445), we get a palindrome (588747885).

The spelling of 544126440 in words is "five hundred forty-four million, one hundred twenty-six thousand, four hundred forty".