40860687540 has 24 divisors (see below), whose sum is σ = 114409925280. Its totient is φ = 10896183328.

The previous prime is 40860687533. The next prime is 40860687541. The reversal of 40860687540 is 4578606804.

40860687540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40860687540² (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 40860687540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40860687541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340505670 + ... + 340505789.

It is an arithmetic number, because the mean of its divisors is an integer number (4767080220).

Almost surely, 2^40860687540 is an apocalyptic number.

It is an amenable number.

40860687540 is an abundant number, since it is smaller than the sum of its proper divisors (73549237740).

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

40860687540 is a wasteful number, since it uses less digits than its factorization.

40860687540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681011471 (or 681011469 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 40860687540 in words is "forty billion, eight hundred sixty million, six hundred eighty-seven thousand, five hundred forty".