40202442220 has 24 divisors (see below), whose sum is σ = 84428984304. Its totient is φ = 16080242496.

The previous prime is 40202442179. The next prime is 40202442221. The reversal of 40202442220 is 2224420204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40202442191 and 40202442200.

It is not an unprimeable number, because it can be changed into a prime (40202442221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693474 + ... + 749206.

It is an arithmetic number, because the mean of its divisors is an integer number (3517874346).

Almost surely, 2^40202442220 is an apocalyptic number.

It is an amenable number.

40202442220 is an abundant number, since it is smaller than the sum of its proper divisors (44226542084).

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

40202442220 is a wasteful number, since it uses less digits than its factorization.

40202442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91809 (or 91807 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40202442220 its reverse (2224420204), we get a palindrome (42426862424).

The spelling of 40202442220 in words is "forty billion, two hundred two million, four hundred forty-two thousand, two hundred twenty".