2651420288 has 64 divisors (see below), whose sum is σ = 5782885920. Its totient is φ = 1200890880.

The previous prime is 2651420287. The next prime is 2651420329. The reversal of 2651420288 is 8820241562.

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

It is not an unprimeable number, because it can be changed into a prime (2651420287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409331 + ... + 415757.

Almost surely, 2^2651420288 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 2651420288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2891442960).

2651420288 is an abundant number, since it is smaller than the sum of its proper divisors (3131465632).

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

2651420288 is a wasteful number, since it uses less digits than its factorization.

2651420288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745 (or 6733 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 2651420288 is about 51491.9439135871. The cubic root of 2651420288 is about 1384.0746838422.

The spelling of 2651420288 in words is "two billion, six hundred fifty-one million, four hundred twenty thousand, two hundred eighty-eight".