40422004220 has 48 divisors (see below), whose sum is σ = 94364836608. Its totient is φ = 14443591680.

The previous prime is 40422004153. The next prime is 40422004241. The reversal of 40422004220 is 2240022404.

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 = 40422004192 and 40422004201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499509 + ... + 2515628.

It is an arithmetic number, because the mean of its divisors is an integer number (1965934096).

Almost surely, 2^40422004220 is an apocalyptic number.

It is an amenable number.

40422004220 is an abundant number, since it is smaller than the sum of its proper divisors (53942832388).

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

40422004220 is a wasteful number, since it uses less digits than its factorization.

40422004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015190 (or 5015188 counting only the distinct ones).

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

Adding to 40422004220 its reverse (2240022404), we get a palindrome (42662026624).

The spelling of 40422004220 in words is "forty billion, four hundred twenty-two million, four thousand, two hundred twenty".