40652653767620 has 12 divisors (see below), whose sum is σ = 85370572912044. Its totient is φ = 16261061507040.

The previous prime is 40652653767619. The next prime is 40652653767623. The reversal of 40652653767620 is 2676735625604.

It can be written as a sum of positive squares in 2 ways, for example, as 20463825500416 + 20188828267204 = 4523696^2 + 4493198^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40652653767620.

It is not an unprimeable number, because it can be changed into a prime (40652653767623) 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, 1016316344171 + ... + 1016316344210.

It is an arithmetic number, because the mean of its divisors is an integer number (7114214409337).

Almost surely, 2^{40652653767620} is an apocalyptic number.

It is an amenable number.

40652653767620 is an abundant number, since it is smaller than the sum of its proper divisors (44717919144424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40652653767620 is a wasteful number, since it uses less digits than its factorization.

40652653767620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032632688390 (or 2032632688388 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 59.

The spelling of 40652653767620 in words is "forty trillion, six hundred fifty-two billion, six hundred fifty-three million, seven hundred sixty-seven thousand, six hundred twenty".