40552200691 has 2 divisors, whose sum is σ = 40552200692. Its totient is φ = 40552200690.

The previous prime is 40552200677. The next prime is 40552200701. The reversal of 40552200691 is 19600225504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40552200691 - 2³³ = 31962266099 is a prime.

It is not a weakly prime, because it can be changed into another prime (40552200191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276100345 + 20276100346.

It is an arithmetic number, because the mean of its divisors is an integer number (20276100346).

Almost surely, 2^40552200691 is an apocalyptic number.

40552200691 is a deficient number, since it is larger than the sum of its proper divisors (1).

40552200691 is an equidigital number, since it uses as much as digits as its factorization.

40552200691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 40552200691 in words is "forty billion, five hundred fifty-two million, two hundred thousand, six hundred ninety-one".