40020222242 has 64 divisors (see below), whose sum is σ = 81735671808. Its totient is φ = 14190120000.

The previous prime is 40020222217. The next prime is 40020222251. The reversal of 40020222242 is 24222202004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1367 + ... + 282917.

It is an arithmetic number, because the mean of its divisors is an integer number (1277119872).

Almost surely, 2^40020222242 is an apocalyptic number.

40020222242 is an abundant number, since it is smaller than the sum of its proper divisors (41715449566).

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

40020222242 is a wasteful number, since it uses less digits than its factorization.

40020222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281655.

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

Adding to 40020222242 its reverse (24222202004), we get a palindrome (64242424246).

It can be divided in two parts, 40020 and 222242, that added together give a palindrome (262262).

The spelling of 40020222242 in words is "forty billion, twenty million, two hundred twenty-two thousand, two hundred forty-two".