544140422 has 16 divisors (see below), whose sum is σ = 933918720. Its totient is φ = 232926408.

The previous prime is 544140349. The next prime is 544140497. The reversal of 544140422 is 224041445.

It is a junction number, because it is equal to n+sod(n) for n = 544140391 and 544140400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10598 + ... + 34649.

It is an arithmetic number, because the mean of its divisors is an integer number (58369920).

Almost surely, 2^544140422 is an apocalyptic number.

544140422 is a deficient number, since it is larger than the sum of its proper divisors (389778298).

544140422 is a wasteful number, since it uses less digits than its factorization.

544140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46115.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 544140422 is about 23326.8176569373. The cubic root of 544140422 is about 816.4012538227.

Adding to 544140422 its reverse (224041445), we get a palindrome (768181867).

The spelling of 544140422 in words is "five hundred forty-four million, one hundred forty thousand, four hundred twenty-two".