44738540 has 144 divisors (see below), whose sum is σ = 125126400. Its totient is φ = 13115520.

The previous prime is 44738539. The next prime is 44738557. The reversal of 44738540 is 4583744.

It is a super-2 number, since 2×44738540² = 4003073922663200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 44738540.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321791 + ... + 321929.

Almost surely, 2^44738540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44738540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62563200).

44738540 is an abundant number, since it is smaller than the sum of its proper divisors (80387860).

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

44738540 is a wasteful number, since it uses less digits than its factorization.

44738540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 44738540 is about 6688.6874646675. The cubic root of 44738540 is about 354.9991139302. Note that the first 3 decimals are identical.

The spelling of 44738540 in words is "forty-four million, seven hundred thirty-eight thousand, five hundred forty".