1308472320 has 176 divisors, whose sum is σ = 4432131648. Its totient is φ = 328335360.

The previous prime is 1308472289. The next prime is 1308472331. The reversal of 1308472320 is 232748031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258615 + ... + 263625.

Almost surely, 2^1308472320 is an apocalyptic number.

1308472320 is a gapful number since it is divisible by the number (10) 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 1308472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216065824).

1308472320 is an abundant number, since it is smaller than the sum of its proper divisors (3123659328).

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

1308472320 is a wasteful number, since it uses less digits than its factorization.

1308472320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1308472320 is about 36172.8118895946. The cubic root of 1308472320 is about 1093.7586817488.

The spelling of 1308472320 in words is "one billion, three hundred eight million, four hundred seventy-two thousand, three hundred twenty".