44345267680 has 96 divisors (see below), whose sum is σ = 119814206400. Its totient is φ = 15193681920.

The previous prime is 44345267677. The next prime is 44345267693. The reversal of 44345267680 is 8676254344.

It is a super-2 number, since 2×44345267680² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722100 + ... + 1747660.

It is an arithmetic number, because the mean of its divisors is an integer number (1248064650).

Almost surely, 2^44345267680 is an apocalyptic number.

44345267680 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 44345267680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59907103200).

44345267680 is an abundant number, since it is smaller than the sum of its proper divisors (75468938720).

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

44345267680 is a wasteful number, since it uses less digits than its factorization.

44345267680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27132 (or 27124 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 44345267680 in words is "forty-four billion, three hundred forty-five million, two hundred sixty-seven thousand, six hundred eighty".