8881567149040 has 20 divisors (see below), whose sum is σ = 20649643621704. Its totient is φ = 3552626859584.

The previous prime is 8881567148977. The next prime is 8881567149061. The reversal of 8881567149040 is 409417651888.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 8881567149040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55509794602 + ... + 55509794761.

Almost surely, 2^{8881567149040} is an apocalyptic number.

8881567149040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8881567149040 is an abundant number, since it is smaller than the sum of its proper divisors (11768076472664).

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

8881567149040 is a wasteful number, since it uses less digits than its factorization.

8881567149040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111019589376 (or 111019589370 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 8881567149040 in words is "eight trillion, eight hundred eighty-one billion, five hundred sixty-seven million, one hundred forty-nine thousand, forty".