44201343640 has 32 divisors (see below), whose sum is σ = 101569049280. Its totient is φ = 17304355072.

The previous prime is 44201343623. The next prime is 44201343661. The reversal of 44201343640 is 4634310244.

44201343640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11753797 + ... + 11757556.

It is an arithmetic number, because the mean of its divisors is an integer number (3174032790).

Almost surely, 2^44201343640 is an apocalyptic number.

44201343640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44201343640 is an abundant number, since it is smaller than the sum of its proper divisors (57367705640).

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

44201343640 is a wasteful number, since it uses less digits than its factorization.

44201343640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23511411 (or 23511407 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 44201343640 its reverse (4634310244), we get a palindrome (48835653884).

The spelling of 44201343640 in words is "forty-four billion, two hundred one million, three hundred forty-three thousand, six hundred forty".