44530018 has 32 divisors (see below), whose sum is σ = 75746160. Its totient is φ = 19491840.

The previous prime is 44530007. The next prime is 44530019. The reversal of 44530018 is 81003544.

It can be written as a sum of positive squares in 8 ways, for example, as 3659569 + 40870449 = 1913^2 + 6393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44529974 and 44530001.

It is not an unprimeable number, because it can be changed into a prime (44530019) 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, 38878 + ... + 40006.

Almost surely, 2^44530018 is an apocalyptic number.

44530018 is a deficient number, since it is larger than the sum of its proper divisors (31216142).

44530018 is a wasteful number, since it uses less digits than its factorization.

44530018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 44530018 is about 6673.0815969835. The cubic root of 44530018 is about 354.4467159907.

The spelling of 44530018 in words is "forty-four million, five hundred thirty thousand, eighteen".