44203423240 has 64 divisors (see below), whose sum is σ = 104783832000. Its totient is φ = 16736129280.

The previous prime is 44203423169. The next prime is 44203423261. The reversal of 44203423240 is 4232430244.

It is a happy number.

It is a super-2 number, since 2×44203423240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44203423199 and 44203423208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865126 + ... + 914794.

It is an arithmetic number, because the mean of its divisors is an integer number (1637247375).

Almost surely, 2^44203423240 is an apocalyptic number.

44203423240 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 44203423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52391916000).

44203423240 is an abundant number, since it is smaller than the sum of its proper divisors (60580408760).

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

44203423240 is a wasteful number, since it uses less digits than its factorization.

44203423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50870 (or 50866 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 44203423240 its reverse (4232430244), we get a palindrome (48435853484).

The spelling of 44203423240 in words is "forty-four billion, two hundred three million, four hundred twenty-three thousand, two hundred forty".