544302381 has 16 divisors (see below), whose sum is σ = 840777344. Its totient is φ = 306768384.

The previous prime is 544302361. The next prime is 544302397. The reversal of 544302381 is 183203445.

It is not a de Polignac number, because 544302381 - 2¹⁰ = 544301357 is a prime.

It is a super-2 number, since 2×544302381² = 592530163924538322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544302331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175996 + ... + 179061.

It is an arithmetic number, because the mean of its divisors is an integer number (52548584).

Almost surely, 2^544302381 is an apocalyptic number.

It is an amenable number.

544302381 is a deficient number, since it is larger than the sum of its proper divisors (296474963).

544302381 is a wasteful number, since it uses less digits than its factorization.

544302381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355140.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 544302381 is about 23330.2889180567. The cubic root of 544302381 is about 816.4822442001.

The spelling of 544302381 in words is "five hundred forty-four million, three hundred two thousand, three hundred eighty-one".