44994509 has 16 divisors (see below), whose sum is σ = 54680832. Its totient is φ = 36187008.

The previous prime is 44994503. The next prime is 44994533. The reversal of 44994509 is 90549944.

44994509 = T₁₆₇ + T₁₆₈ + ... + T₆₄₉.

It is a cyclic number.

It is not a de Polignac number, because 44994509 - 2⁴ = 44994493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44994509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44994503) 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, 5897 + ... + 11169.

It is an arithmetic number, because the mean of its divisors is an integer number (3417552).

Almost surely, 2^44994509 is an apocalyptic number.

It is an amenable number.

44994509 is a deficient number, since it is larger than the sum of its proper divisors (9686323).

44994509 is a wasteful number, since it uses less digits than its factorization.

44994509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 44994509 is about 6707.7946450380. The cubic root of 44994509 is about 355.6748625263.

The spelling of 44994509 in words is "forty-four million, nine hundred ninety-four thousand, five hundred nine".