40537068633 has 24 divisors (see below), whose sum is σ = 62007859368. Its totient is φ = 25430925312.

The previous prime is 40537068623. The next prime is 40537068647. The reversal of 40537068633 is 33686073504.

40537068633 is a `hidden beast` number, since 4 + 0 + 5 + 3 + 7 + 0 + 6 + 8 + 633 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 867184704 + 39669883929 = 29448^2 + 199173^2 .

It is not a de Polignac number, because 40537068633 - 2⁶ = 40537068569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40537068623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1135585 + ... + 1170737.

It is an arithmetic number, because the mean of its divisors is an integer number (2583660807).

Almost surely, 2^40537068633 is an apocalyptic number.

It is an amenable number.

40537068633 is a deficient number, since it is larger than the sum of its proper divisors (21470790735).

40537068633 is a wasteful number, since it uses less digits than its factorization.

40537068633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42713 (or 42710 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 40537068633 in words is "forty billion, five hundred thirty-seven million, sixty-eight thousand, six hundred thirty-three".