1378065260 has 96 divisors (see below), whose sum is σ = 3423458304. Its totient is φ = 459360000.

The previous prime is 1378065251. The next prime is 1378065281. The reversal of 1378065260 is 625608731.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430265 + ... + 433455.

It is an arithmetic number, because the mean of its divisors is an integer number (35661024).

Almost surely, 2^1378065260 is an apocalyptic number.

1378065260 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 1378065260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711729152).

1378065260 is an abundant number, since it is smaller than the sum of its proper divisors (2045393044).

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

1378065260 is a wasteful number, since it uses less digits than its factorization.

1378065260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3373 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1378065260 is about 37122.3013834002. The cubic root of 1378065260 is about 1112.8157444062.

The spelling of 1378065260 in words is "one billion, three hundred seventy-eight million, sixty-five thousand, two hundred sixty".