44313203440 has 80 divisors (see below), whose sum is σ = 115135818336. Its totient is φ = 15720857600.

The previous prime is 44313203383. The next prime is 44313203449. The reversal of 44313203440 is 4430231344.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×44313203440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44313203399 and 44313203408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44313203449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578017 + ... + 650176.

Almost surely, 2^44313203440 is an apocalyptic number.

44313203440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44313203440 is an abundant number, since it is smaller than the sum of its proper divisors (70822614896).

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

44313203440 is a wasteful number, since it uses less digits than its factorization.

44313203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228258 (or 1228252 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 44313203440 its reverse (4430231344), we get a palindrome (48743434784).

The spelling of 44313203440 in words is "forty-four billion, three hundred thirteen million, two hundred three thousand, four hundred forty".