40107797 has 2 divisors, whose sum is σ = 40107798. Its totient is φ = 40107796.

The previous prime is 40107757. The next prime is 40107827. The reversal of 40107797 is 79770104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31292836 + 8814961 = 5594^2 + 2969^2 .

It is a cyclic number.

It is not a de Polignac number, because 40107797 - 2¹⁴ = 40091413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40107757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20053898 + 20053899.

It is an arithmetic number, because the mean of its divisors is an integer number (20053899).

Almost surely, 2^40107797 is an apocalyptic number.

It is an amenable number.

40107797 is a deficient number, since it is larger than the sum of its proper divisors (1).

40107797 is an equidigital number, since it uses as much as digits as its factorization.

40107797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 40107797 is about 6333.0716875778. The cubic root of 40107797 is about 342.3021309006.

It can be divided in two parts, 40107 and 797, that added together give a palindrome (40904).

The spelling of 40107797 in words is "forty million, one hundred seven thousand, seven hundred ninety-seven".