2608981428 has 96 divisors (see below), whose sum is σ = 6510067200. Its totient is φ = 810884736.

The previous prime is 2608981391. The next prime is 2608981439. The reversal of 2608981428 is 8241898062.

2608981428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5586451 + ... + 5586917.

It is an arithmetic number, because the mean of its divisors is an integer number (67813200).

Almost surely, 2^2608981428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2608981428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255033600).

2608981428 is an abundant number, since it is smaller than the sum of its proper divisors (3901085772).

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

2608981428 is a wasteful number, since it uses less digits than its factorization.

2608981428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 2608981428 is about 51078.1893571023. The cubic root of 2608981428 is about 1376.6503912490.

The spelling of 2608981428 in words is "two billion, six hundred eight million, nine hundred eighty-one thousand, four hundred twenty-eight".