1320479496 has 192 divisors, whose sum is σ = 4423910400. Its totient is φ = 360790848.

The previous prime is 1320479477. The next prime is 1320479557. The reversal of 1320479496 is 6949740231.

It is a happy number.

1320479496 is a `hidden beast` number, since 132 + 0 + 479 + 49 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310875 + ... + 315093.

It is an arithmetic number, because the mean of its divisors is an integer number (23041200).

Almost surely, 2^1320479496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320479496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2211955200).

1320479496 is an abundant number, since it is smaller than the sum of its proper divisors (3103430904).

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

1320479496 is a wasteful number, since it uses less digits than its factorization.

1320479496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1320479496 is about 36338.4024965325. The cubic root of 1320479496 is about 1097.0941198007.

The spelling of 1320479496 in words is "one billion, three hundred twenty million, four hundred seventy-nine thousand, four hundred ninety-six".