544025400115 has 4 divisors (see below), whose sum is σ = 652830480144. Its totient is φ = 435220320088.

The previous prime is 544025400073. The next prime is 544025400131. The reversal of 544025400115 is 511004520445.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544025400115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54402540007 + ... + 54402540016.

It is an arithmetic number, because the mean of its divisors is an integer number (163207620036).

Almost surely, 2^544025400115 is an apocalyptic number.

544025400115 is a deficient number, since it is larger than the sum of its proper divisors (108805080029).

544025400115 is a wasteful number, since it uses less digits than its factorization.

544025400115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108805080028.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 544025400115 in words is "five hundred forty-four billion, twenty-five million, four hundred thousand, one hundred fifteen".