291042064482 has 32 divisors (see below), whose sum is σ = 648475692480. Its totient is φ = 86463424320.

The previous prime is 291042064441. The next prime is 291042064493. The reversal of 291042064482 is 284460240192.

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 15 ways as a sum of consecutive naturals, for example, 64330644 + ... + 64335167.

It is an arithmetic number, because the mean of its divisors is an integer number (20264865390).

Almost surely, 2^291042064482 is an apocalyptic number.

291042064482 is an abundant number, since it is smaller than the sum of its proper divisors (357433627998).

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

291042064482 is a wasteful number, since it uses less digits than its factorization.

291042064482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128665858.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 291042064482 in words is "two hundred ninety-one billion, forty-two million, sixty-four thousand, four hundred eighty-two".