4445786790 has 128 divisors (see below), whose sum is σ = 12609717120. Its totient is φ = 1110749184.

The previous prime is 4445786789. The next prime is 4445786833. The reversal of 4445786790 is 976875444.

4445786790 is a `hidden beast` number, since 4 + 4 + 4 + 578 + 67 + 9 + 0 = 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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1067392 + ... + 1071548.

It is an arithmetic number, because the mean of its divisors is an integer number (98513415).

Almost surely, 2^4445786790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445786790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6304858560).

4445786790 is an abundant number, since it is smaller than the sum of its proper divisors (8163930330).

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

4445786790 is a wasteful number, since it uses less digits than its factorization.

4445786790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 4445786790 is about 66676.7334982751. The cubic root of 4445786790 is about 1644.3068916662.

The spelling of 4445786790 in words is "four billion, four hundred forty-five million, seven hundred eighty-six thousand, seven hundred ninety".