40022262650693 has 4 divisors (see below), whose sum is σ = 40022291495628. Its totient is φ = 40022233805760.

The previous prime is 40022262650687. The next prime is 40022262650753. The reversal of 40022262650693 is 39605626222004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28862273459044 + 11159989191649 = 5372362^2 + 3340657^2 .

It is a cyclic number.

It is not a de Polignac number, because 40022262650693 - 2²⁰ = 40022261602117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022262550693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12230138 + ... + 15153243.

It is an arithmetic number, because the mean of its divisors is an integer number (10005572873907).

Almost surely, 2^{40022262650693} is an apocalyptic number.

It is an amenable number.

40022262650693 is a deficient number, since it is larger than the sum of its proper divisors (28844935).

40022262650693 is a wasteful number, since it uses less digits than its factorization.

40022262650693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28844934.

The product of its (nonzero) digits is 1866240, while the sum is 47.

Adding to 40022262650693 its reverse (39605626222004), we get a palindrome (79627888872697).

The spelling of 40022262650693 in words is "forty trillion, twenty-two billion, two hundred sixty-two million, six hundred fifty thousand, six hundred ninety-three".