544220612 has 48 divisors (see below), whose sum is σ = 1065326640. Its totient is φ = 241532928.

The previous prime is 544220597. The next prime is 544220617. The reversal of 544220612 is 216022445.

It can be written as a sum of positive squares in 8 ways, for example, as 75238276 + 468982336 = 8674^2 + 21656^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (544220617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471428 + ... + 472580.

It is an arithmetic number, because the mean of its divisors is an integer number (22194305).

Almost surely, 2^544220612 is an apocalyptic number.

544220612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

544220612 is a deficient number, since it is larger than the sum of its proper divisors (521106028).

544220612 is a wasteful number, since it uses less digits than its factorization.

544220612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 544220612 is about 23328.5364307322. The cubic root of 544220612 is about 816.4413562167.

The spelling of 544220612 in words is "five hundred forty-four million, two hundred twenty thousand, six hundred twelve".