2608909380 has 288 divisors, whose sum is σ = 10386754560. Its totient is φ = 513527040.

The previous prime is 2608909367. The next prime is 2608909423. The reversal of 2608909380 is 839098062.

2608909380 is a `hidden beast` number, since 2 + 608 + 9 + 0 + 9 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 258387 + ... + 268293.

It is an arithmetic number, because the mean of its divisors is an integer number (36065120).

Almost surely, 2^2608909380 is an apocalyptic number.

2608909380 is a gapful number since it is divisible by the number (20) 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 2608909380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5193377280).

2608909380 is an abundant number, since it is smaller than the sum of its proper divisors (7777845180).

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

2608909380 is a wasteful number, since it uses less digits than its factorization.

2608909380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959 (or 9954 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2608909380 is about 51077.4840805614. The cubic root of 2608909380 is about 1376.6377188935.

The spelling of 2608909380 in words is "two billion, six hundred eight million, nine hundred nine thousand, three hundred eighty".