40242243202019 has 4 divisors (see below), whose sum is σ = 40329159494496. Its totient is φ = 40155326909544.

The previous prime is 40242243201997. The next prime is 40242243202027. The reversal of 40242243202019 is 91020234224204.

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

It is a cyclic number.

It is not a de Polignac number, because 40242243202019 - 2⁸ = 40242243201763 is a prime.

It is a super-2 number, since 2×40242243202019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40242243202019.

It is not an unprimeable number, because it can be changed into a prime (40242243202519) 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, 43458145544 + ... + 43458146469.

It is an arithmetic number, because the mean of its divisors is an integer number (10082289873624).

Almost surely, 2^{40242243202019} is an apocalyptic number.

40242243202019 is a deficient number, since it is larger than the sum of its proper divisors (86916292477).

40242243202019 is an equidigital number, since it uses as much as digits as its factorization.

40242243202019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86916292476.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 40242243202019 in words is "forty trillion, two hundred forty-two billion, two hundred forty-three million, two hundred two thousand, nineteen".