1328472056 has 16 divisors (see below), whose sum is σ = 2499881640. Its totient is φ = 661836960.

The previous prime is 1328472043. The next prime is 1328472059. The reversal of 1328472056 is 6502748231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328472059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297530 + ... + 301961.

Almost surely, 2^1328472056 is an apocalyptic number.

It is an amenable number.

1328472056 is a deficient number, since it is larger than the sum of its proper divisors (1171409584).

1328472056 is a wasteful number, since it uses less digits than its factorization.

1328472056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599774 (or 599770 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1328472056 is about 36448.2106007963. The cubic root of 1328472056 is about 1099.3031553397.

The spelling of 1328472056 in words is "one billion, three hundred twenty-eight million, four hundred seventy-two thousand, fifty-six".