9940874882544 has 60 divisors (see below), whose sum is σ = 29457151313616. Its totient is φ = 3118705844736.

The previous prime is 9940874882531. The next prime is 9940874882563. The reversal of 9940874882544 is 4452884780499.

It is a happy number.

9940874882544 is a `hidden beast` number, since 9 + 9 + 4 + 0 + 8 + 74 + 8 + 8 + 2 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030405004 + ... + 2030409899.

Almost surely, 2^{9940874882544} is an apocalyptic number.

It is an amenable number.

9940874882544 is an abundant number, since it is smaller than the sum of its proper divisors (19516276431072).

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

9940874882544 is a wasteful number, since it uses less digits than its factorization.

9940874882544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060814934 (or 4060814925 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 72.

The spelling of 9940874882544 in words is "nine trillion, nine hundred forty billion, eight hundred seventy-four million, eight hundred eighty-two thousand, five hundred forty-four".