1478744364 has 12 divisors (see below), whose sum is σ = 3450403544. Its totient is φ = 492914784.

The previous prime is 1478744327. The next prime is 1478744381. The reversal of 1478744364 is 4634478741.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61614337 + ... + 61614360.

Almost surely, 2^1478744364 is an apocalyptic number.

It is an amenable number.

1478744364 is an abundant number, since it is smaller than the sum of its proper divisors (1971659180).

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

1478744364 is a wasteful number, since it uses less digits than its factorization.

1478744364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123228704 (or 123228702 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 48.

The square root of 1478744364 is about 38454.4453087026. The cubic root of 1478744364 is about 1139.2814708832.

The spelling of 1478744364 in words is "one billion, four hundred seventy-eight million, seven hundred forty-four thousand, three hundred sixty-four".