40242224442 has 32 divisors (see below), whose sum is σ = 92115408384. Its totient is φ = 11481130800.

The previous prime is 40242224437. The next prime is 40242224489. The reversal of 40242224442 is 24442224204.

It is a happy number.

It is a super-2 number, since 2×40242224442² (a number of 22 digits) contains 22 as substring.

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, 664284 + ... + 722327.

It is an arithmetic number, because the mean of its divisors is an integer number (2878606512).

Almost surely, 2^40242224442 is an apocalyptic number.

40242224442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40242224442 is an abundant number, since it is smaller than the sum of its proper divisors (51873183942).

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

40242224442 is a wasteful number, since it uses less digits than its factorization.

40242224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387314.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 40242224442 its reverse (24442224204), we get a palindrome (64684448646).

The spelling of 40242224442 in words is "forty billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred forty-two".