4244591840 has 24 divisors (see below), whose sum is σ = 10027848600. Its totient is φ = 1697836672.

The previous prime is 4244591837. The next prime is 4244591843. The reversal of 4244591840 is 481954424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4244591837) and next prime (4244591843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244591843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13264190 + ... + 13264509.

It is an arithmetic number, because the mean of its divisors is an integer number (417827025).

Almost surely, 2^4244591840 is an apocalyptic number.

4244591840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244591840 is an abundant number, since it is smaller than the sum of its proper divisors (5783256760).

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

4244591840 is a wasteful number, since it uses less digits than its factorization.

4244591840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26528714 (or 26528706 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 4244591840 is about 65150.5321543884. The cubic root of 4244591840 is about 1619.1185368815.

The spelling of 4244591840 in words is "four billion, two hundred forty-four million, five hundred ninety-one thousand, eight hundred forty".