44020540 has 24 divisors (see below), whose sum is σ = 93400272. Its totient is φ = 17425920.

The previous prime is 44020523. The next prime is 44020553. The reversal of 44020540 is 4502044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9406 + ... + 13285.

It is an arithmetic number, because the mean of its divisors is an integer number (3891678).

Almost surely, 2^44020540 is an apocalyptic number.

It is an amenable number.

44020540 is an abundant number, since it is smaller than the sum of its proper divisors (49379732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44020540 is a wasteful number, since it uses less digits than its factorization.

44020540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22797 (or 22795 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 44020540 is about 6634.7976608183. The cubic root of 44020540 is about 353.0897593464.

Adding to 44020540 its reverse (4502044), we get a palindrome (48522584).

The spelling of 44020540 in words is "forty-four million, twenty thousand, five hundred forty".