40220400220 has 96 divisors (see below), whose sum is σ = 113404709376. Its totient is φ = 11571897600.

The previous prime is 40220400217. The next prime is 40220400221. The reversal of 40220400220 is 2200402204.

40220400220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40220400194 and 40220400203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220400221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984486 + ... + 1024525.

It is an arithmetic number, because the mean of its divisors is an integer number (1181299056).

Almost surely, 2^40220400220 is an apocalyptic number.

It is an amenable number.

40220400220 is an abundant number, since it is smaller than the sum of its proper divisors (73184309156).

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

40220400220 is a wasteful number, since it uses less digits than its factorization.

40220400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009051 (or 2009049 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40220400220 its reverse (2200402204), we get a palindrome (42420802424).

The spelling of 40220400220 in words is "forty billion, two hundred twenty million, four hundred thousand, two hundred twenty".