662531878448 has 40 divisors (see below), whose sum is σ = 1424086263360. Its totient is φ = 296046597440.

The previous prime is 662531878441. The next prime is 662531878451. The reversal of 662531878448 is 844878135266.

It is not an unprimeable number, because it can be changed into a prime (662531878441) 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, 31891190 + ... + 31911957.

It is an arithmetic number, because the mean of its divisors is an integer number (35602156584).

Almost surely, 2^662531878448 is an apocalyptic number.

It is an amenable number.

662531878448 is an abundant number, since it is smaller than the sum of its proper divisors (761554384912).

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

662531878448 is a wasteful number, since it uses less digits than its factorization.

662531878448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63803225 (or 63803219 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 62.

The spelling of 662531878448 in words is "six hundred sixty-two billion, five hundred thirty-one million, eight hundred seventy-eight thousand, four hundred forty-eight".