544478798 has 4 divisors (see below), whose sum is σ = 816718200. Its totient is φ = 272239398.

The previous prime is 544478789. The next prime is 544478833. The reversal of 544478798 is 897874445.

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

It is a super-2 number, since 2×544478798² = 592914322943049608, which contains 22 as substring.

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, 136119698 + ... + 136119701.

It is an arithmetic number, because the mean of its divisors is an integer number (204179550).

Almost surely, 2^544478798 is an apocalyptic number.

544478798 is a deficient number, since it is larger than the sum of its proper divisors (272239402).

544478798 is a wasteful number, since it uses less digits than its factorization.

544478798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272239401.

The product of its digits is 9031680, while the sum is 56.

The square root of 544478798 is about 23334.0694693403. The cubic root of 544478798 is about 816.5704462693.

The spelling of 544478798 in words is "five hundred forty-four million, four hundred seventy-eight thousand, seven hundred ninety-eight".