44451784012 has 24 divisors (see below), whose sum is σ = 79187169600. Its totient is φ = 21827622096.

The previous prime is 44451784007. The next prime is 44451784019. The reversal of 44451784012 is 21048715444.

It is a happy number.

It is a super-2 number, since 2×44451784012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44451784019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148063 + ... + 332905.

It is an arithmetic number, because the mean of its divisors is an integer number (3299465400).

Almost surely, 2^44451784012 is an apocalyptic number.

It is an amenable number.

44451784012 is a deficient number, since it is larger than the sum of its proper divisors (34735385588).

44451784012 is a wasteful number, since it uses less digits than its factorization.

44451784012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185925 (or 185923 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

It can be divided in two parts, 444517 and 84012, that added together give a square (528529 = 727²).

The spelling of 44451784012 in words is "forty-four billion, four hundred fifty-one million, seven hundred eighty-four thousand, twelve".