40042455013 has 16 divisors (see below), whose sum is σ = 44358327936. Its totient is φ = 35840931840.

The previous prime is 40042454911. The next prime is 40042455031. The reversal of 40042455013 is 31055424004.

It is a cyclic number.

It is not a de Polignac number, because 40042455013 - 2¹⁷ = 40042323941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042455413) 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, 420120 + ... + 506542.

It is an arithmetic number, because the mean of its divisors is an integer number (2772395496).

Almost surely, 2^40042455013 is an apocalyptic number.

It is an amenable number.

40042455013 is a deficient number, since it is larger than the sum of its proper divisors (4315872923).

40042455013 is a wasteful number, since it uses less digits than its factorization.

40042455013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87084.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40042455013 its reverse (31055424004), we get a palindrome (71097879017).

The spelling of 40042455013 in words is "forty billion, forty-two million, four hundred fifty-five thousand, thirteen".