40864853 has 2 divisors, whose sum is σ = 40864854. Its totient is φ = 40864852.

The previous prime is 40864829. The next prime is 40864891. The reversal of 40864853 is 35846804.

It is a happy number.

It is an a-pointer prime, because the next prime (40864891) can be obtained adding 40864853 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33258289 + 7606564 = 5767^2 + 2758^2 .

It is a cyclic number.

It is not a de Polignac number, because 40864853 - 2¹⁴ = 40848469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40864553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20432426 + 20432427.

It is an arithmetic number, because the mean of its divisors is an integer number (20432427).

Almost surely, 2^40864853 is an apocalyptic number.

It is an amenable number.

40864853 is a deficient number, since it is larger than the sum of its proper divisors (1).

40864853 is an equidigital number, since it uses as much as digits as its factorization.

40864853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 40864853 is about 6392.5623188202. The cubic root of 40864853 is about 344.4424320112.

The spelling of 40864853 in words is "forty million, eight hundred sixty-four thousand, eight hundred fifty-three".