44334433781 has 8 divisors (see below), whose sum is σ = 48385076544. Its totient is φ = 40287164320.

The previous prime is 44334433777. The next prime is 44334433813. The reversal of 44334433781 is 18733443344.

44334433781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44334433781 - 2² = 44334433777 is a prime.

It is a super-2 number, since 2×44334433781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44334433721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815801 + ... + 868446.

It is an arithmetic number, because the mean of its divisors is an integer number (6048134568).

Almost surely, 2^44334433781 is an apocalyptic number.

It is an amenable number.

44334433781 is a deficient number, since it is larger than the sum of its proper divisors (4050642763).

44334433781 is a wasteful number, since it uses less digits than its factorization.

44334433781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686651.

The product of its digits is 1161216, while the sum is 44.

The spelling of 44334433781 in words is "forty-four billion, three hundred thirty-four million, four hundred thirty-three thousand, seven hundred eighty-one".