1415398668 has 24 divisors (see below), whose sum is σ = 3342389568. Its totient is φ = 466114896.

The previous prime is 1415398667. The next prime is 1415398693. The reversal of 1415398668 is 8668935141.

It is a self number, because there is not a number n which added to its sum of digits gives 1415398668.

It is not an unprimeable number, because it can be changed into a prime (1415398661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709546 + ... + 711537.

It is an arithmetic number, because the mean of its divisors is an integer number (139266232).

Almost surely, 2^1415398668 is an apocalyptic number.

It is an amenable number.

1415398668 is an abundant number, since it is smaller than the sum of its proper divisors (1926990900).

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

1415398668 is a wasteful number, since it uses less digits than its factorization.

1415398668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421173 (or 1421171 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 1415398668 is about 37621.7844871824. The cubic root of 1415398668 is about 1122.7755004216.

The spelling of 1415398668 in words is "one billion, four hundred fifteen million, three hundred ninety-eight thousand, six hundred sixty-eight".