44307818 has 4 divisors (see below), whose sum is σ = 66461730. Its totient is φ = 22153908.

The previous prime is 44307817. The next prime is 44307827. The reversal of 44307818 is 81870344.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 9815689 = 5873^2 + 3133^2 .

It is a super-2 number, since 2×44307818² = 3926365471842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44307817) 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 as a sum of consecutive naturals, namely, 11076953 + ... + 11076956.

Almost surely, 2^44307818 is an apocalyptic number.

44307818 is a deficient number, since it is larger than the sum of its proper divisors (22153912).

44307818 is a wasteful number, since it uses less digits than its factorization.

44307818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22153911.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 44307818 is about 6656.4117961556. The cubic root of 44307818 is about 353.8561823366.

The spelling of 44307818 in words is "forty-four million, three hundred seven thousand, eight hundred eighteen".