40142425744 has 20 divisors (see below), whose sum is σ = 77781033724. Its totient is φ = 20069900928.

The previous prime is 40142425721. The next prime is 40142425751. The reversal of 40142425744 is 44752424104.

It can be written as a sum of positive squares in 2 ways, for example, as 17905651344 + 22236774400 = 133812^2 + 149120^2 .

It is a super-2 number, since 2×40142425744² (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 3 ways as a sum of consecutive naturals, for example, 199774 + ... + 346690.

Almost surely, 2^40142425744 is an apocalyptic number.

It is an amenable number.

40142425744 is a deficient number, since it is larger than the sum of its proper divisors (37638607980).

40142425744 is a wasteful number, since it uses less digits than its factorization.

40142425744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164002 (or 163996 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 37.

Adding to 40142425744 its reverse (44752424104), we get a palindrome (84894849848).

The spelling of 40142425744 in words is "forty billion, one hundred forty-two million, four hundred twenty-five thousand, seven hundred forty-four".