4243650444 has 72 divisors (see below), whose sum is σ = 11718749952. Its totient is φ = 1284134880.

The previous prime is 4243650431. The next prime is 4243650451. The reversal of 4243650444 is 4440563424.

It is a super-2 number, since 2×4243650444² = 36017138181722794272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4243650399 and 4243650408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287017 + ... + 301439.

It is an arithmetic number, because the mean of its divisors is an integer number (162760416).

Almost surely, 2^4243650444 is an apocalyptic number.

4243650444 is a gapful number since it is divisible by the number (44) 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 4243650444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5859374976).

4243650444 is an abundant number, since it is smaller than the sum of its proper divisors (7475099508).

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

4243650444 is a wasteful number, since it uses less digits than its factorization.

4243650444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15187 (or 15182 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The square root of 4243650444 is about 65143.3069777702. The cubic root of 4243650444 is about 1618.9988281266.

The spelling of 4243650444 in words is "four billion, two hundred forty-three million, six hundred fifty thousand, four hundred forty-four".