4381777650 has 96 divisors (see below), whose sum is σ = 11122645248. Its totient is φ = 1141171200.

The previous prime is 4381777643. The next prime is 4381777657. The reversal of 4381777650 is 567771834.

It is an interprime number because it is at equal distance from previous prime (4381777643) and next prime (4381777657).

It is a self number, because there is not a number n which added to its sum of digits gives 4381777650.

It is not an unprimeable number, because it can be changed into a prime (4381777657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1914807 + ... + 1917093.

It is an arithmetic number, because the mean of its divisors is an integer number (115860888).

Almost surely, 2^4381777650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4381777650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5561322624).

4381777650 is an abundant number, since it is smaller than the sum of its proper divisors (6740867598).

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

4381777650 is a wasteful number, since it uses less digits than its factorization.

4381777650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 4381777650 is about 66194.9971674597. The cubic root of 4381777650 is about 1636.3772961963.

The spelling of 4381777650 in words is "four billion, three hundred eighty-one million, seven hundred seventy-seven thousand, six hundred fifty".