391266052484 has 24 divisors (see below), whose sum is σ = 708329868288. Its totient is φ = 188913352320.

The previous prime is 391266052483. The next prime is 391266052487. The reversal of 391266052484 is 484250662193.

It is not an unprimeable number, because it can be changed into a prime (391266052481) 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, 3350117 + ... + 3464940.

It is an arithmetic number, because the mean of its divisors is an integer number (29513744512).

Almost surely, 2^391266052484 is an apocalyptic number.

It is an amenable number.

391266052484 is a deficient number, since it is larger than the sum of its proper divisors (317063815804).

391266052484 is a wasteful number, since it uses less digits than its factorization.

391266052484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815555 (or 6815553 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 391266052484 in words is "three hundred ninety-one billion, two hundred sixty-six million, fifty-two thousand, four hundred eighty-four".