2559379680 has 480 divisors, whose sum is σ = 10619265888. Its totient is φ = 572313600.

The previous prime is 2559379657. The next prime is 2559379681. The reversal of 2559379680 is 869739552.

2559379680 is a `hidden beast` number, since 2 + 559 + 3 + 7 + 9 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559379681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1852590 + ... + 1853970.

Almost surely, 2^2559379680 is an apocalyptic number.

2559379680 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 2559379680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5309632944).

2559379680 is an abundant number, since it is smaller than the sum of its proper divisors (8059886208).

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

2559379680 is a wasteful number, since it uses less digits than its factorization.

2559379680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 2559379680 is about 50590.3121160564. The cubic root of 2559379680 is about 1367.8702554698.

The spelling of 2559379680 in words is "two billion, five hundred fifty-nine million, three hundred seventy-nine thousand, six hundred eighty".