40514857 has 2 divisors, whose sum is σ = 40514858. Its totient is φ = 40514856.

The previous prime is 40514849. The next prime is 40514911. The reversal of 40514857 is 75841504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36735721 + 3779136 = 6061^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 40514857 - 2³ = 40514849 is a prime.

It is not a weakly prime, because it can be changed into another prime (40514807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20257428 + 20257429.

It is an arithmetic number, because the mean of its divisors is an integer number (20257429).

Almost surely, 2^40514857 is an apocalyptic number.

It is an amenable number.

40514857 is a deficient number, since it is larger than the sum of its proper divisors (1).

40514857 is an equidigital number, since it uses as much as digits as its factorization.

40514857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 40514857 is about 6365.1281998087. The cubic root of 40514857 is about 343.4562602729.

The spelling of 40514857 in words is "forty million, five hundred fourteen thousand, eight hundred fifty-seven".