40868492693 has 8 divisors (see below), whose sum is σ = 46722384960. Its totient is φ = 35018484480.

The previous prime is 40868492689. The next prime is 40868492773. The reversal of 40868492693 is 39629486804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40868492693 - 2² = 40868492689 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 (40868492633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948428 + ... + 990581.

It is an arithmetic number, because the mean of its divisors is an integer number (5840298120).

Almost surely, 2^40868492693 is an apocalyptic number.

It is an amenable number.

40868492693 is a deficient number, since it is larger than the sum of its proper divisors (5853892267).

40868492693 is a wasteful number, since it uses less digits than its factorization.

40868492693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942027.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 40868492693 in words is "forty billion, eight hundred sixty-eight million, four hundred ninety-two thousand, six hundred ninety-three".