4091988480424 has 32 divisors (see below), whose sum is σ = 8262883377000. Its totient is φ = 1888561078272.

The previous prime is 4091988480401. The next prime is 4091988480439. The reversal of 4091988480424 is 4240848891904.

It can be written as a sum of positive squares in 4 ways, for example, as 1375154928900 + 2716833551524 = 1172670^2 + 1648282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683172 + ... + 4663660.

Almost surely, 2^{4091988480424} is an apocalyptic number.

It is an amenable number.

4091988480424 is an abundant number, since it is smaller than the sum of its proper divisors (4170894896576).

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

4091988480424 is a wasteful number, since it uses less digits than its factorization.

4091988480424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020637 (or 1020633 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 61.

The spelling of 4091988480424 in words is "four trillion, ninety-one billion, nine hundred eighty-eight million, four hundred eighty thousand, four hundred twenty-four".