2563050644 has 72 divisors (see below), whose sum is σ = 5718136032. Its totient is φ = 994002240.

The previous prime is 2563050617. The next prime is 2563050673. The reversal of 2563050644 is 4460503652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 486794 + ... + 492030.

It is an arithmetic number, because the mean of its divisors is an integer number (79418556).

Almost surely, 2^2563050644 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 2563050644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2859068016).

2563050644 is an abundant number, since it is smaller than the sum of its proper divisors (3155085388).

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

2563050644 is a wasteful number, since it uses less digits than its factorization.

2563050644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493 (or 5484 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2563050644 is about 50626.5804098993. The cubic root of 2563050644 is about 1368.5239299588.

The spelling of 2563050644 in words is "two billion, five hundred sixty-three million, fifty thousand, six hundred forty-four".