4224440040420 has 96 divisors (see below), whose sum is σ = 11914541049600. Its totient is φ = 1118325035520.

The previous prime is 4224440040407. The next prime is 4224440040433. The reversal of 4224440040420 is 240400444224.

It is an interprime number because it is at equal distance from previous prime (4224440040407) and next prime (4224440040433).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15807510 + ... + 16072530.

It is an arithmetic number, because the mean of its divisors is an integer number (124109802600).

Almost surely, 2^{4224440040420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4224440040420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5957270524800).

4224440040420 is an abundant number, since it is smaller than the sum of its proper divisors (7690101009180).

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

4224440040420 is a wasteful number, since it uses less digits than its factorization.

4224440040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266965 (or 266963 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4224440040420 its reverse (240400444224), we get a palindrome (4464840484644).

The spelling of 4224440040420 in words is "four trillion, two hundred twenty-four billion, four hundred forty million, forty thousand, four hundred twenty".