1478364648 has 32 divisors (see below), whose sum is σ = 3751078560. Its totient is φ = 485432640.

The previous prime is 1478364647. The next prime is 1478364653. The reversal of 1478364648 is 8464638741.

It is a self number, because there is not a number n which added to its sum of digits gives 1478364648.

It is not an unprimeable number, because it can be changed into a prime (1478364647) 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, 458083 + ... + 461298.

It is an arithmetic number, because the mean of its divisors is an integer number (117221205).

Almost surely, 2^1478364648 is an apocalyptic number.

It is an amenable number.

1478364648 is an abundant number, since it is smaller than the sum of its proper divisors (2272713912).

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

1478364648 is a wasteful number, since it uses less digits than its factorization.

1478364648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919457 (or 919453 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 1478364648 is about 38449.5077731822. The cubic root of 1478364648 is about 1139.1839466035.

The spelling of 1478364648 in words is "one billion, four hundred seventy-eight million, three hundred sixty-four thousand, six hundred forty-eight".