40022321542 has 16 divisors (see below), whose sum is σ = 70464011040. Its totient is φ = 16688844288.

The previous prime is 40022321533. The next prime is 40022321543. The reversal of 40022321542 is 24512322004.

It is a super-2 number, since 2×40022321542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022321543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38631067 + ... + 38632102.

It is an arithmetic number, because the mean of its divisors is an integer number (4404000690).

Almost surely, 2^40022321542 is an apocalyptic number.

40022321542 is a deficient number, since it is larger than the sum of its proper divisors (30441689498).

40022321542 is a wasteful number, since it uses less digits than its factorization.

40022321542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77263215.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40022321542 its reverse (24512322004), we get a palindrome (64534643546).

The spelling of 40022321542 in words is "forty billion, twenty-two million, three hundred twenty-one thousand, five hundred forty-two".