40242204420 has 96 divisors (see below), whose sum is σ = 123027085440. Its totient is φ = 9747317760.

The previous prime is 40242204413. The next prime is 40242204451. The reversal of 40242204420 is 2440224204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 761826 + ... + 812934.

It is an arithmetic number, because the mean of its divisors is an integer number (1281532140).

Almost surely, 2^40242204420 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 40242204420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61513542720).

40242204420 is an abundant number, since it is smaller than the sum of its proper divisors (82784881020).

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

40242204420 is a wasteful number, since it uses less digits than its factorization.

40242204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52325 (or 52323 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40242204420 its reverse (2440224204), we get a palindrome (42682428624).

The spelling of 40242204420 in words is "forty billion, two hundred forty-two million, two hundred four thousand, four hundred twenty".