40000793 has 8 divisors (see below), whose sum is σ = 46778688. Its totient is φ = 33488784.

The previous prime is 40000769. The next prime is 40000799. The reversal of 40000793 is 39700004.

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

It is not a de Polignac number, because 40000793 - 2⁶ = 40000729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40000799) 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, 66146 + ... + 66747.

It is an arithmetic number, because the mean of its divisors is an integer number (5847336).

Almost surely, 2^40000793 is an apocalyptic number.

40000793 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40000793 is a deficient number, since it is larger than the sum of its proper divisors (6777895).

40000793 is a wasteful number, since it uses less digits than its factorization.

40000793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132943.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 40000793 is about 6324.6180121807. The cubic root of 40000793 is about 341.9974493386.

Adding to 40000793 its reverse (39700004), we get a palindrome (79700797).

The spelling of 40000793 in words is "forty million, seven hundred ninety-three", and thus it is an aban number.