4244021040 has 320 divisors, whose sum is σ = 15633285120. Its totient is φ = 932305920.

The previous prime is 4244021039. The next prime is 4244021063. The reversal of 4244021040 is 401204424.

It is a super-3 number, since 3×4244021040³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4244020998 and 4244021016.

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, 4658185 + ... + 4659095.

It is an arithmetic number, because the mean of its divisors is an integer number (48854016).

Almost surely, 2^4244021040 is an apocalyptic number.

4244021040 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 4244021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7816642560).

4244021040 is an abundant number, since it is smaller than the sum of its proper divisors (11389264080).

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

4244021040 is a wasteful number, since it uses less digits than its factorization.

4244021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4244021040 is about 65146.1513828714. The cubic root of 4244021040 is about 1619.0459555571.

Adding to 4244021040 its reverse (401204424), we get a palindrome (4645225464).

The spelling of 4244021040 in words is "four billion, two hundred forty-four million, twenty-one thousand, forty".