40220320211430 has 256 divisors, whose sum is σ = 104530851495936. Its totient is φ = 9877882798080.

The previous prime is 40220320211399. The next prime is 40220320211497. The reversal of 40220320211430 is 3411202302204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40220320211430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 941091022 + ... + 941133758.

It is an arithmetic number, because the mean of its divisors is an integer number (408323638656).

Almost surely, 2^{40220320211430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40220320211430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52265425747968).

40220320211430 is an abundant number, since it is smaller than the sum of its proper divisors (64310531284506).

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

40220320211430 is a wasteful number, since it uses less digits than its factorization.

40220320211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43191.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40220320211430 its reverse (3411202302204), we get a palindrome (43631522513634).

The spelling of 40220320211430 in words is "forty trillion, two hundred twenty billion, three hundred twenty million, two hundred eleven thousand, four hundred thirty".