40807033605813 has 4 divisors (see below), whose sum is σ = 54409378141088. Its totient is φ = 27204689070540.

The previous prime is 40807033605781. The next prime is 40807033605851. The reversal of 40807033605813 is 31850633070804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40807033605813 - 2⁵ = 40807033605781 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 (40807033600813) 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, 6801172267633 + ... + 6801172267638.

It is an arithmetic number, because the mean of its divisors is an integer number (13602344535272).

Almost surely, 2^{40807033605813} is an apocalyptic number.

It is an amenable number.

40807033605813 is a deficient number, since it is larger than the sum of its proper divisors (13602344535275).

40807033605813 is a wasteful number, since it uses less digits than its factorization.

40807033605813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602344535274.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 40807033605813 in words is "forty trillion, eight hundred seven billion, thirty-three million, six hundred five thousand, eight hundred thirteen".