40660877 has 2 divisors, whose sum is σ = 40660878. Its totient is φ = 40660876.

The previous prime is 40660861. The next prime is 40660897. The reversal of 40660877 is 77806604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21353641 + 19307236 = 4621^2 + 4394^2 .

It is a cyclic number.

It is not a de Polignac number, because 40660877 - 2⁴ = 40660861 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40660877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40660847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20330438 + 20330439.

It is an arithmetic number, because the mean of its divisors is an integer number (20330439).

Almost surely, 2^40660877 is an apocalyptic number.

It is an amenable number.

40660877 is a deficient number, since it is larger than the sum of its proper divisors (1).

40660877 is an equidigital number, since it uses as much as digits as its factorization.

40660877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 40660877 is about 6376.5881943246. The cubic root of 40660877 is about 343.8683836000.

The spelling of 40660877 in words is "forty million, six hundred sixty thousand, eight hundred seventy-seven".