40652893 has 2 divisors, whose sum is σ = 40652894. Its totient is φ = 40652892.

The previous prime is 40652879. The next prime is 40652903. The reversal of 40652893 is 39825604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24226084 + 16426809 = 4922^2 + 4053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40652893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40652813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20326446 + 20326447.

It is an arithmetic number, because the mean of its divisors is an integer number (20326447).

Almost surely, 2^40652893 is an apocalyptic number.

It is an amenable number.

40652893 is a deficient number, since it is larger than the sum of its proper divisors (1).

40652893 is an equidigital number, since it uses as much as digits as its factorization.

40652893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 40652893 is about 6375.9621234760. The cubic root of 40652893 is about 343.8458752735.

The spelling of 40652893 in words is "forty million, six hundred fifty-two thousand, eight hundred ninety-three".