40040340142 has 96 divisors (see below), whose sum is σ = 74725664832. Its totient is φ = 15983616000.

The previous prime is 40040340133. The next prime is 40040340161. The reversal of 40040340142 is 24104304004.

40040340142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3874342 + ... + 3884662.

It is an arithmetic number, because the mean of its divisors is an integer number (778392342).

Almost surely, 2^40040340142 is an apocalyptic number.

40040340142 is a deficient number, since it is larger than the sum of its proper divisors (34685324690).

40040340142 is a wasteful number, since it uses less digits than its factorization.

40040340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40040340142 its reverse (24104304004), we get a palindrome (64144644146).

The spelling of 40040340142 in words is "forty billion, forty million, three hundred forty thousand, one hundred forty-two".