44242000040 has 96 divisors (see below), whose sum is σ = 116210197800. Its totient is φ = 15114516480.

The previous prime is 44242000007. The next prime is 44242000057. The reversal of 44242000040 is 4000024244.

It can be written as a sum of positive squares in 4 ways, for example, as 42590227876 + 1651772164 = 206374^2 + 40642^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44241999976 and 44242000021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510596 + ... + 590924.

Almost surely, 2^44242000040 is an apocalyptic number.

44242000040 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 44242000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58105098900).

44242000040 is an abundant number, since it is smaller than the sum of its proper divisors (71968197760).

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

44242000040 is a wasteful number, since it uses less digits than its factorization.

44242000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80635 (or 80624 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 44242000040 its reverse (4000024244), we get a palindrome (48242024284).

The spelling of 44242000040 in words is "forty-four billion, two hundred forty-two million, forty", and thus it is an aban number.