40142425742 has 16 divisors (see below), whose sum is σ = 60365865600. Its totient is φ = 20020501248.

The previous prime is 40142425721. The next prime is 40142425751. The reversal of 40142425742 is 24752424104.

40142425742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40142425742² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3695363 + ... + 3706209.

It is an arithmetic number, because the mean of its divisors is an integer number (3772866600).

Almost surely, 2^40142425742 is an apocalyptic number.

40142425742 is a deficient number, since it is larger than the sum of its proper divisors (20223439858).

40142425742 is a wasteful number, since it uses less digits than its factorization.

40142425742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355.

The product of its (nonzero) digits is 71680, while the sum is 35.

Adding to 40142425742 its reverse (24752424104), we get a palindrome (64894849846).

The spelling of 40142425742 in words is "forty billion, one hundred forty-two million, four hundred twenty-five thousand, seven hundred forty-two".