4244292640 has 96 divisors (see below), whose sum is σ = 11726225280. Its totient is φ = 1421328384.

The previous prime is 4244292623. The next prime is 4244292643. The reversal of 4244292640 is 462924424.

It is a happy number.

4244292640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4244292640.

It is not an unprimeable number, because it can be changed into a prime (4244292643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4096 + ... + 92224.

It is an arithmetic number, because the mean of its divisors is an integer number (122148180).

Almost surely, 2^4244292640 is an apocalyptic number.

4244292640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244292640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5863112640).

4244292640 is an abundant number, since it is smaller than the sum of its proper divisors (7481932640).

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

4244292640 is a wasteful number, since it uses less digits than its factorization.

4244292640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88194 (or 88186 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 4244292640 is about 65148.2358932304. The cubic root of 4244292640 is about 1619.0804922616.

The spelling of 4244292640 in words is "four billion, two hundred forty-four million, two hundred ninety-two thousand, six hundred forty".