40800757 has 2 divisors, whose sum is σ = 40800758. Its totient is φ = 40800756.

The previous prime is 40800737. The next prime is 40800761. The reversal of 40800757 is 75700804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34035556 + 6765201 = 5834^2 + 2601^2 .

It is a cyclic number.

It is not a de Polignac number, because 40800757 - 2¹⁹ = 40276469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40800737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20400378 + 20400379.

It is an arithmetic number, because the mean of its divisors is an integer number (20400379).

Almost surely, 2^40800757 is an apocalyptic number.

It is an amenable number.

40800757 is a deficient number, since it is larger than the sum of its proper divisors (1).

40800757 is an equidigital number, since it uses as much as digits as its factorization.

40800757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 40800757 is about 6387.5470252672. The cubic root of 40800757 is about 344.2622532572.

The spelling of 40800757 in words is "forty million, eight hundred thousand, seven hundred fifty-seven".