40013340042 has 32 divisors (see below), whose sum is σ = 86333607360. Its totient is φ = 12290221440.

The previous prime is 40013340019. The next prime is 40013340047. The reversal of 40013340042 is 24004331004.

40013340042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40013340047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404667 + ... + 493742.

It is an arithmetic number, because the mean of its divisors is an integer number (2697925230).

Almost surely, 2^40013340042 is an apocalyptic number.

40013340042 is an abundant number, since it is smaller than the sum of its proper divisors (46320267318).

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

40013340042 is a wasteful number, since it uses less digits than its factorization.

40013340042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898998.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40013340042 its reverse (24004331004), we get a palindrome (64017671046).

The spelling of 40013340042 in words is "forty billion, thirteen million, three hundred forty thousand, forty-two".