40142425722 has 24 divisors (see below), whose sum is σ = 93392582976. Its totient is φ = 11469264408.

The previous prime is 40142425721. The next prime is 40142425751. The reversal of 40142425722 is 22752424104.

It is a happy number.

It is a super-2 number, since 2×40142425722² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40142425721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 68269138 + ... + 68269725.

It is an arithmetic number, because the mean of its divisors is an integer number (3891357624).

Almost surely, 2^40142425722 is an apocalyptic number.

40142425722 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40142425722 is an abundant number, since it is smaller than the sum of its proper divisors (53250157254).

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

40142425722 is a wasteful number, since it uses less digits than its factorization.

40142425722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136538882 (or 136538875 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

Adding to 40142425722 its reverse (22752424104), we get a palindrome (62894849826).

The spelling of 40142425722 in words is "forty billion, one hundred forty-two million, four hundred twenty-five thousand, seven hundred twenty-two".