8387579041840 has 40 divisors (see below), whose sum is σ = 19593543687408. Its totient is φ = 3339130986240.

The previous prime is 8387579041783. The next prime is 8387579041913. The reversal of 8387579041840 is 481409757838.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×8387579041840² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 248430367 + ... + 248464126.

Almost surely, 2^{8387579041840} is an apocalyptic number.

8387579041840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8387579041840 is an abundant number, since it is smaller than the sum of its proper divisors (11205964645568).

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

8387579041840 is a wasteful number, since it uses less digits than its factorization.

8387579041840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496894717 (or 496894711 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 8387579041840 in words is "eight trillion, three hundred eighty-seven billion, five hundred seventy-nine million, forty-one thousand, eight hundred forty".