7840413541680 has 40 divisors (see below), whose sum is σ = 24305281979952. Its totient is φ = 2090776944384.

The previous prime is 7840413541661. The next prime is 7840413541687. The reversal of 7840413541680 is 861453140487.

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

It is a super-2 number, since 2×7840413541680² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7840413541687) 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, 16334194639 + ... + 16334195118.

Almost surely, 2^{7840413541680} is an apocalyptic number.

It is an amenable number.

7840413541680 is an abundant number, since it is smaller than the sum of its proper divisors (16464868438272).

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

7840413541680 is a wasteful number, since it uses less digits than its factorization.

7840413541680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32668389773 (or 32668389767 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 7840413541680 in words is "seven trillion, eight hundred forty billion, four hundred thirteen million, five hundred forty-one thousand, six hundred eighty".