40022012442 has 32 divisors (see below), whose sum is σ = 84771461952. Its totient is φ = 12553115904.

The previous prime is 40022012411. The next prime is 40022012461. The reversal of 40022012442 is 24421022004.

It is a super-2 number, since 2×40022012442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440208 + ... + 523284.

It is an arithmetic number, because the mean of its divisors is an integer number (2649108186).

Almost surely, 2^40022012442 is an apocalyptic number.

40022012442 is an abundant number, since it is smaller than the sum of its proper divisors (44749449510).

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

40022012442 is a wasteful number, since it uses less digits than its factorization.

40022012442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87822.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 40022012442 its reverse (24421022004), we get a palindrome (64443034446).

The spelling of 40022012442 in words is "forty billion, twenty-two million, twelve thousand, four hundred forty-two".