544140249 has 8 divisors (see below), whose sum is σ = 727542720. Its totient is φ = 361748976.

The previous prime is 544140211. The next prime is 544140277. The reversal of 544140249 is 942041445.

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

It is not a de Polignac number, because 544140249 - 2²¹ = 542043097 is a prime.

It is a super-2 number, since 2×544140249² = 592177221163564002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544140349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251542 + ... + 253695.

It is an arithmetic number, because the mean of its divisors is an integer number (90942840).

Almost surely, 2^544140249 is an apocalyptic number.

It is an amenable number.

544140249 is a deficient number, since it is larger than the sum of its proper divisors (183402471).

544140249 is a wasteful number, since it uses less digits than its factorization.

544140249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505599.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 544140249 is about 23326.8139487586. The cubic root of 544140249 is about 816.4011673025.

The spelling of 544140249 in words is "five hundred forty-four million, one hundred forty thousand, two hundred forty-nine".