44803782990 has 128 divisors (see below), whose sum is σ = 120911616000. Its totient is φ = 11804617728.

The previous prime is 44803782977. The next prime is 44803783001. The reversal of 44803782990 is 9928730844.

44803782990 is a `hidden beast` number, since 4 + 480 + 3 + 78 + 2 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21972391 + ... + 21974429.

It is an arithmetic number, because the mean of its divisors is an integer number (944622000).

Almost surely, 2^44803782990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44803782990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60455808000).

44803782990 is an abundant number, since it is smaller than the sum of its proper divisors (76107833010).

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

44803782990 is a wasteful number, since it uses less digits than its factorization.

44803782990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 44803782990 in words is "forty-four billion, eight hundred three million, seven hundred eighty-two thousand, nine hundred ninety".