40340352633 has 16 divisors (see below), whose sum is σ = 61478670720. Its totient is φ = 23048758656.

The previous prime is 40340352631. The next prime is 40340352641. The reversal of 40340352633 is 33625304304.

It is a happy number.

It is not a de Polignac number, because 40340352633 - 2¹ = 40340352631 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40340352594 and 40340352603.

It is not an unprimeable number, because it can be changed into a prime (40340352631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59173 + ... + 290141.

It is an arithmetic number, because the mean of its divisors is an integer number (3842416920).

Almost surely, 2^40340352633 is an apocalyptic number.

It is an amenable number.

40340352633 is a deficient number, since it is larger than the sum of its proper divisors (21138318087).

40340352633 is a wasteful number, since it uses less digits than its factorization.

40340352633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239296.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 40340352633 its reverse (33625304304), we get a palindrome (73965656937).

The spelling of 40340352633 in words is "forty billion, three hundred forty million, three hundred fifty-two thousand, six hundred thirty-three".