40400342340433 has 4 divisors (see below), whose sum is σ = 40414786512820. Its totient is φ = 40385898168048.

The previous prime is 40400342340427. The next prime is 40400342340437. The reversal of 40400342340433 is 33404324300404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23815346729409 + 16584995611024 = 4880097^2 + 4072468^2 .

It is a cyclic number.

It is not a de Polignac number, because 40400342340433 - 2²¹ = 40400340243281 is a prime.

It is a super-2 number, since 2×40400342340433² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40400342340437) 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, 7222081998 + ... + 7222087591.

It is an arithmetic number, because the mean of its divisors is an integer number (10103696628205).

Almost surely, 2^{40400342340433} is an apocalyptic number.

It is an amenable number.

40400342340433 is a deficient number, since it is larger than the sum of its proper divisors (14444172387).

40400342340433 is a wasteful number, since it uses less digits than its factorization.

40400342340433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444172386.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 40400342340433 its reverse (33404324300404), we get a palindrome (73804666640837).

The spelling of 40400342340433 in words is "forty trillion, four hundred billion, three hundred forty-two million, three hundred forty thousand, four hundred thirty-three".