40202404220 has 24 divisors (see below), whose sum is σ = 92100053808. Its totient is φ = 14619056000.

The previous prime is 40202404217. The next prime is 40202404289. The reversal of 40202404220 is 2240420204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40202404192 and 40202404201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91368881 + ... + 91369320.

It is an arithmetic number, because the mean of its divisors is an integer number (3837502242).

Almost surely, 2^40202404220 is an apocalyptic number.

It is an amenable number.

40202404220 is an abundant number, since it is smaller than the sum of its proper divisors (51897649588).

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

40202404220 is a wasteful number, since it uses less digits than its factorization.

40202404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182738221 (or 182738219 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40202404220 its reverse (2240420204), we get a palindrome (42442824424).

The spelling of 40202404220 in words is "forty billion, two hundred two million, four hundred four thousand, two hundred twenty".