1338730470 has 192 divisors, whose sum is σ = 4530816000. Its totient is φ = 278147520.

The previous prime is 1338730403. The next prime is 1338730487. The reversal of 1338730470 is 740378331.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140931 + ... + 150129.

It is an arithmetic number, because the mean of its divisors is an integer number (23598000).

Almost surely, 2^1338730470 is an apocalyptic number.

1338730470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338730470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2265408000).

1338730470 is an abundant number, since it is smaller than the sum of its proper divisors (3192085530).

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

1338730470 is a wasteful number, since it uses less digits than its factorization.

1338730470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240 (or 9227 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1338730470 is about 36588.6658679980. The cubic root of 1338730470 is about 1102.1254963836.

The spelling of 1338730470 in words is "one billion, three hundred thirty-eight million, seven hundred thirty thousand, four hundred seventy".