40022440242 has 16 divisors (see below), whose sum is σ = 80049120672. Its totient is φ = 13340106720.

The previous prime is 40022440109. The next prime is 40022440261. The reversal of 40022440242 is 24204422004.

It is a super-2 number, since 2×40022440242² (a number of 22 digits) contains 22 as substring.

40022440242 is a modest number, since divided by 440242 gives 40022 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46603 + ... + 286734.

It is an arithmetic number, because the mean of its divisors is an integer number (5003070042).

Almost surely, 2^40022440242 is an apocalyptic number.

40022440242 is an abundant number, since it is smaller than the sum of its proper divisors (40026680430).

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

40022440242 is a wasteful number, since it uses less digits than its factorization.

40022440242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353353.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40022440242 its reverse (24204422004), we get a palindrome (64226862246).

The spelling of 40022440242 in words is "forty billion, twenty-two million, four hundred forty thousand, two hundred forty-two".