40518644760 has 96 divisors (see below), whose sum is σ = 143657027280. Its totient is φ = 9822700800.

The previous prime is 40518644711. The next prime is 40518644783. The reversal of 40518644760 is 6744681504.

40518644760 is a `hidden beast` number, since 4 + 0 + 518 + 64 + 4 + 76 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5112031 + ... + 5119950.

Almost surely, 2^40518644760 is an apocalyptic number.

40518644760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40518644760 is an abundant number, since it is smaller than the sum of its proper divisors (103138382520).

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

40518644760 is a wasteful number, since it uses less digits than its factorization.

40518644760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232009 (or 10232002 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40518644760 in words is "forty billion, five hundred eighteen million, six hundred forty-four thousand, seven hundred sixty".