544343890 has 8 divisors (see below), whose sum is σ = 979819020. Its totient is φ = 217737552.

The previous prime is 544343887. The next prime is 544343903. The reversal of 544343890 is 98343445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 508547601 + 35796289 = 22551^2 + 5983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27217185 + ... + 27217204.

Almost surely, 2^544343890 is an apocalyptic number.

544343890 is a deficient number, since it is larger than the sum of its proper divisors (435475130).

544343890 is a wasteful number, since it uses less digits than its factorization.

544343890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54434396.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 544343890 is about 23331.1784957383. The cubic root of 544343890 is about 816.5029989014.

The spelling of 544343890 in words is "five hundred forty-four million, three hundred forty-three thousand, eight hundred ninety".