1340590608 has 120 divisors (see below), whose sum is σ = 4476305760. Its totient is φ = 383019840.

The previous prime is 1340590597. The next prime is 1340590613. The reversal of 1340590608 is 8060950431.

1340590608 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 590 + 60 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10498 + ... + 52833.

It is an arithmetic number, because the mean of its divisors is an integer number (37302548).

Almost surely, 2^1340590608 is an apocalyptic number.

1340590608 is a gapful number since it is divisible by the number (18) 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 1340590608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238152880).

1340590608 is an abundant number, since it is smaller than the sum of its proper divisors (3135715152).

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

1340590608 is a wasteful number, since it uses less digits than its factorization.

1340590608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63362 (or 63343 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1340590608 is about 36614.0766372716. The cubic root of 1340590608 is about 1102.6357202533.

The spelling of 1340590608 in words is "one billion, three hundred forty million, five hundred ninety thousand, six hundred eight".