40094178797 has 2 divisors, whose sum is σ = 40094178798. Its totient is φ = 40094178796.

The previous prime is 40094178769. The next prime is 40094178811. The reversal of 40094178797 is 79787149004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39571553476 + 522625321 = 198926^2 + 22861^2 .

It is a cyclic number.

It is not a de Polignac number, because 40094178797 - 2⁸ = 40094178541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40094178097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20047089398 + 20047089399.

It is an arithmetic number, because the mean of its divisors is an integer number (20047089399).

Almost surely, 2^40094178797 is an apocalyptic number.

It is an amenable number.

40094178797 is a deficient number, since it is larger than the sum of its proper divisors (1).

40094178797 is an equidigital number, since it uses as much as digits as its factorization.

40094178797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 40094178797 in words is "forty billion, ninety-four million, one hundred seventy-eight thousand, seven hundred ninety-seven".