40782893005823 has 4 divisors (see below), whose sum is σ = 40807328533560. Its totient is φ = 40758457478088.

The previous prime is 40782893005763. The next prime is 40782893005861. The reversal of 40782893005823 is 32850039828704.

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 40782893005823 - 2⁸ = 40782893005567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40782893005873) 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, 12217761365 + ... + 12217764702.

It is an arithmetic number, because the mean of its divisors is an integer number (10201832133390).

Almost surely, 2^{40782893005823} is an apocalyptic number.

40782893005823 is a deficient number, since it is larger than the sum of its proper divisors (24435527737).

40782893005823 is a wasteful number, since it uses less digits than its factorization.

40782893005823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24435527736.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 40782893005823 in words is "forty trillion, seven hundred eighty-two billion, eight hundred ninety-three million, five thousand, eight hundred twenty-three".