40024242043 has 6 divisors (see below), whose sum is σ = 42517101716. Its totient is φ = 37669874592.

The previous prime is 40024242017. The next prime is 40024242053. The reversal of 40024242043 is 34024242004.

It is a de Polignac number, because none of the positive numbers 2^k-40024242043 is a prime.

It is a super-4 number, since 4×40024242043⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40024241999 and 40024242017.

It is not an unprimeable number, because it can be changed into a prime (40024242053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69245805 + ... + 69246382.

Almost surely, 2^40024242043 is an apocalyptic number.

40024242043 is a deficient number, since it is larger than the sum of its proper divisors (2492859673).

40024242043 is a wasteful number, since it uses less digits than its factorization.

40024242043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138492221 (or 138492204 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40024242043 its reverse (34024242004), we get a palindrome (74048484047).

The spelling of 40024242043 in words is "forty billion, twenty-four million, two hundred forty-two thousand, forty-three".