44540033 has 4 divisors (see below), whose sum is σ = 44789040. Its totient is φ = 44291028.

The previous prime is 44540021. The next prime is 44540039. The reversal of 44540033 is 33004544.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44540033 - 2²² = 40345729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44539990 and 44540008.

It is not an unprimeable number, because it can be changed into a prime (44540039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124235 + ... + 124592.

It is an arithmetic number, because the mean of its divisors is an integer number (11197260).

Almost surely, 2^44540033 is an apocalyptic number.

It is an amenable number.

44540033 is a deficient number, since it is larger than the sum of its proper divisors (249007).

44540033 is a wasteful number, since it uses less digits than its factorization.

44540033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249006.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 44540033 is about 6673.8319577286. The cubic root of 44540033 is about 354.4732862155.

Adding to 44540033 its reverse (33004544), we get a palindrome (77544577).

The spelling of 44540033 in words is "forty-four million, five hundred forty thousand, thirty-three".