1479533868 has 72 divisors (see below), whose sum is σ = 4044261312. Its totient is φ = 454282752.

The previous prime is 1479533843. The next prime is 1479533873. The reversal of 1479533868 is 8683359741.

1479533868 is a `hidden beast` number, since 1 + 47 + 9 + 533 + 8 + 68 = 666.

1479533868 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3046 + ... + 54482.

It is an arithmetic number, because the mean of its divisors is an integer number (56170296).

Almost surely, 2^1479533868 is an apocalyptic number.

1479533868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1479533868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022130656).

1479533868 is an abundant number, since it is smaller than the sum of its proper divisors (2564727444).

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

1479533868 is a wasteful number, since it uses less digits than its factorization.

1479533868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51511 (or 51506 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1479533868 is about 38464.7093840575. The cubic root of 1479533868 is about 1139.4841895482.

The spelling of 1479533868 in words is "one billion, four hundred seventy-nine million, five hundred thirty-three thousand, eight hundred sixty-eight".