40485877 has 2 divisors, whose sum is σ = 40485878. Its totient is φ = 40485876.

The previous prime is 40485869. The next prime is 40485947. The reversal of 40485877 is 77858404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38452401 + 2033476 = 6201^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 40485877 - 2³ = 40485869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40480877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20242938 + 20242939.

It is an arithmetic number, because the mean of its divisors is an integer number (20242939).

Almost surely, 2^40485877 is an apocalyptic number.

It is an amenable number.

40485877 is a deficient number, since it is larger than the sum of its proper divisors (1).

40485877 is an equidigital number, since it uses as much as digits as its factorization.

40485877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 40485877 is about 6362.8513262530. The cubic root of 40485877 is about 343.3743501022.

The spelling of 40485877 in words is "forty million, four hundred eighty-five thousand, eight hundred seventy-seven".