40442330410345 has 4 divisors (see below), whose sum is σ = 48530796492420. Its totient is φ = 32353864328272.

The previous prime is 40442330410277. The next prime is 40442330410351. The reversal of 40442330410345 is 54301403324404.

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 8746995531024 + 31695334879321 = 2957532^2 + 5629861^2 .

It is a cyclic number.

It is not a de Polignac number, because 40442330410345 - 2¹³ = 40442330402153 is a prime.

It is a super-3 number, since 3×40442330410345³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044233041030 + ... + 4044233041039.

It is an arithmetic number, because the mean of its divisors is an integer number (12132699123105).

Almost surely, 2^{40442330410345} is an apocalyptic number.

It is an amenable number.

40442330410345 is a deficient number, since it is larger than the sum of its proper divisors (8088466082075).

40442330410345 is an equidigital number, since it uses as much as digits as its factorization.

40442330410345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088466082074.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 40442330410345 its reverse (54301403324404), we get a palindrome (94743733734749).

The spelling of 40442330410345 in words is "forty trillion, four hundred forty-two billion, three hundred thirty million, four hundred ten thousand, three hundred forty-five".