2566042496 has 64 divisors (see below), whose sum is σ = 5322013200. Its totient is φ = 1230888960.

The previous prime is 2566042489. The next prime is 2566042519. The reversal of 2566042496 is 6942406652.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602936 + ... + 607176.

Almost surely, 2^2566042496 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 2566042496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661006600).

2566042496 is an abundant number, since it is smaller than the sum of its proper divisors (2755970704).

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

2566042496 is a wasteful number, since it uses less digits than its factorization.

2566042496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 2566042496 is about 50656.1200251263. The cubic root of 2566042496 is about 1369.0562160918.

The spelling of 2566042496 in words is "two billion, five hundred sixty-six million, forty-two thousand, four hundred ninety-six".