544561406 has 4 divisors (see below), whose sum is σ = 816842112. Its totient is φ = 272280702.

The previous prime is 544561349. The next prime is 544561427. The reversal of 544561406 is 604165445.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136140350 + ... + 136140353.

It is an arithmetic number, because the mean of its divisors is an integer number (204210528).

Almost surely, 2^544561406 is an apocalyptic number.

544561406 is a deficient number, since it is larger than the sum of its proper divisors (272280706).

544561406 is a wasteful number, since it uses less digits than its factorization.

544561406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272280705.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 544561406 is about 23335.8395177889. The cubic root of 544561406 is about 816.6117407088.

The spelling of 544561406 in words is "five hundred forty-four million, five hundred sixty-one thousand, four hundred six".