1308394080 has 384 divisors, whose sum is σ = 5346432000. Its totient is φ = 298722816.

The previous prime is 1308394079. The next prime is 1308394099. The reversal of 1308394080 is 804938031.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1481319 + ... + 1482201.

It is an arithmetic number, because the mean of its divisors is an integer number (13923000).

Almost surely, 2^1308394080 is an apocalyptic number.

1308394080 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 1308394080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673216000).

1308394080 is an abundant number, since it is smaller than the sum of its proper divisors (4038037920).

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

1308394080 is an equidigital number, since it uses as much as digits as its factorization.

1308394080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1308394080 is about 36171.7303981991. The cubic root of 1308394080 is about 1093.7368809093.

The spelling of 1308394080 in words is "one billion, three hundred eight million, three hundred ninety-four thousand, eighty".