1078638360 has 256 divisors, whose sum is σ = 3619123200. Its totient is φ = 255923712.

The previous prime is 1078638349. The next prime is 1078638361. The reversal of 1078638360 is 638368701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078638361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3513327 + ... + 3513633.

It is an arithmetic number, because the mean of its divisors is an integer number (14137200).

Almost surely, 2^1078638360 is an apocalyptic number.

1078638360 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 1078638360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809561600).

1078638360 is an abundant number, since it is smaller than the sum of its proper divisors (2540484840).

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

1078638360 is a wasteful number, since it uses less digits than its factorization.

1078638360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1078638360 is about 32842.6302235372. The cubic root of 1078638360 is about 1025.5542067368.

The spelling of 1078638360 in words is "one billion, seventy-eight million, six hundred thirty-eight thousand, three hundred sixty".