44919405 has 24 divisors (see below), whose sum is σ = 80547480. Its totient is φ = 23130240.

The previous prime is 44919397. The next prime is 44919487. The reversal of 44919405 is 50491944.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16499844 + 28419561 = 4062^2 + 5331^2 .

It is not a de Polignac number, because 44919405 - 2³ = 44919397 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44919405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15906 + ... + 18515.

It is an arithmetic number, because the mean of its divisors is an integer number (3356145).

Almost surely, 2^44919405 is an apocalyptic number.

44919405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44919405 is a deficient number, since it is larger than the sum of its proper divisors (35628075).

44919405 is a wasteful number, since it uses less digits than its factorization.

44919405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34461 (or 34458 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 44919405 is about 6702.1940437442. The cubic root of 44919405 is about 355.4768570216.

The spelling of 44919405 in words is "forty-four million, nine hundred nineteen thousand, four hundred five".