2560619784 has 48 divisors (see below), whose sum is σ = 6540786000. Its totient is φ = 835362208.

The previous prime is 2560619777. The next prime is 2560619813. The reversal of 2560619784 is 4879160652.

2560619784 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28867 + ... + 77165.

It is an arithmetic number, because the mean of its divisors is an integer number (136266375).

Almost surely, 2^2560619784 is an apocalyptic number.

2560619784 is a gapful number since it is divisible by the number (24) 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 2560619784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270393000).

2560619784 is an abundant number, since it is smaller than the sum of its proper divisors (3980166216).

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

2560619784 is a wasteful number, since it uses less digits than its factorization.

2560619784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48402 (or 48351 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 2560619784 is about 50602.5669704611. The cubic root of 2560619784 is about 1368.0911459055.

The spelling of 2560619784 in words is "two billion, five hundred sixty million, six hundred nineteen thousand, seven hundred eighty-four".