44750640 has 240 divisors, whose sum is σ = 161489664. Its totient is φ = 10222080.

The previous prime is 44750591. The next prime is 44750677. The reversal of 44750640 is 4605744.

44750640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44750598 and 44750607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 667887 + ... + 667953.

Almost surely, 2^44750640 is an apocalyptic number.

44750640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44750640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80744832).

44750640 is an abundant number, since it is smaller than the sum of its proper divisors (116739024).

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

44750640 is a wasteful number, since it uses less digits than its factorization.

44750640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 44750640 is about 6689.5919158047. The cubic root of 44750640 is about 355.0311154371.

Subtracting from 44750640 its reverse (4605744), we obtain a square (40144896 = 6336²).

The spelling of 44750640 in words is "forty-four million, seven hundred fifty thousand, six hundred forty".