44695840 has 72 divisors (see below), whose sum is σ = 122855292. Its totient is φ = 15321600.

The previous prime is 44695817. The next prime is 44695843. The reversal of 44695840 is 4859644.

It can be written as a sum of positive squares in 2 ways, for example, as 44036496 + 659344 = 6636^2 + 812^2 .

It is a super-2 number, since 2×44695840² = 3995436226611200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44695793 and 44695802.

It is not an unprimeable number, because it can be changed into a prime (44695843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4990 + ... + 10690.

Almost surely, 2^44695840 is an apocalyptic number.

44695840 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 44695840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61427646).

44695840 is an abundant number, since it is smaller than the sum of its proper divisors (78159452).

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

44695840 is a wasteful number, since it uses less digits than its factorization.

44695840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5715 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 44695840 is about 6685.4947460902. The cubic root of 44695840 is about 354.8861368616.

The spelling of 44695840 in words is "forty-four million, six hundred ninety-five thousand, eight hundred forty".