40242115043 has 4 divisors (see below), whose sum is σ = 43337662368. Its totient is φ = 37146567720.

The previous prime is 40242115037. The next prime is 40242115049. The reversal of 40242115043 is 34051124204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40242115037) and next prime (40242115049).

It is a cyclic number.

It is not a de Polignac number, because 40242115043 - 2⁴ = 40242115027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40242115049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547773643 + ... + 1547773668.

It is an arithmetic number, because the mean of its divisors is an integer number (10834415592).

Almost surely, 2^40242115043 is an apocalyptic number.

40242115043 is a deficient number, since it is larger than the sum of its proper divisors (3095547325).

40242115043 is a wasteful number, since it uses less digits than its factorization.

40242115043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095547324.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40242115043 its reverse (34051124204), we get a palindrome (74293239247).

The spelling of 40242115043 in words is "forty billion, two hundred forty-two million, one hundred fifteen thousand, forty-three".