40840484568 has 48 divisors (see below), whose sum is σ = 110559310920. Its totient is φ = 12566301696.

The previous prime is 40840484563. The next prime is 40840484579. The reversal of 40840484568 is 86548404804.

It is a super-2 number, since 2×40840484568² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40840484568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840484563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5030521 + ... + 5038632.

Almost surely, 2^40840484568 is an apocalyptic number.

It is an amenable number.

40840484568 is an abundant number, since it is smaller than the sum of its proper divisors (69718826352).

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

40840484568 is a wasteful number, since it uses less digits than its factorization.

40840484568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069188 (or 10069171 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 51.

The spelling of 40840484568 in words is "forty billion, eight hundred forty million, four hundred eighty-four thousand, five hundred sixty-eight".