544891972 has 12 divisors (see below), whose sum is σ = 967793680. Its totient is φ = 268379496.

The previous prime is 544891951. The next prime is 544891979. The reversal of 544891972 is 279198445.

It is a super-2 number, since 2×544891972² = 593814522300097568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544891979) by changing a digit.

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, 1016322 + ... + 1016857.

Almost surely, 2^544891972 is an apocalyptic number.

It is an amenable number.

544891972 is a deficient number, since it is larger than the sum of its proper divisors (422901708).

544891972 is a wasteful number, since it uses less digits than its factorization.

544891972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033250 (or 2033248 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 544891972 is about 23342.9212396392. The cubic root of 544891972 is about 816.7769436718.

The spelling of 544891972 in words is "five hundred forty-four million, eight hundred ninety-one thousand, nine hundred seventy-two".