44815020668 has 24 divisors (see below), whose sum is σ = 88315820544. Its totient is φ = 19713351600.

The previous prime is 44815020661. The next prime is 44815020671. The reversal of 44815020668 is 86602051844.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44815020661) 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, 16426430 + ... + 16429157.

It is an arithmetic number, because the mean of its divisors is an integer number (3679825856).

Almost surely, 2^44815020668 is an apocalyptic number.

It is an amenable number.

44815020668 is a deficient number, since it is larger than the sum of its proper divisors (43500799876).

44815020668 is a wasteful number, since it uses less digits than its factorization.

44815020668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32855633 (or 32855631 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 44815020668 in words is "forty-four billion, eight hundred fifteen million, twenty thousand, six hundred sixty-eight".