2651426064 has 135 divisors (see below), whose sum is σ = 8645893893. Its totient is φ = 756314496.

The previous prime is 2651426047. The next prime is 2651426077. The reversal of 2651426064 is 4606241562.

The square root of 2651426064 is 51492.

It is a perfect power (a square), and thus also a powerful number.

2651426064 is a `hidden beast` number, since 2 + 6 + 5 + 1 + 42 + 606 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2642782464 = 2940^2 + 51408^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4325022 + ... + 4325634.

Almost surely, 2^2651426064 is an apocalyptic number.

2651426064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

2651426064 is the 51492-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651426064

2651426064 is an abundant number, since it is smaller than the sum of its proper divisors (5994467829).

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

2651426064 is an equidigital number, since it uses as much as digits as its factorization.

2651426064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The cubic root of 2651426064 is about 1384.0756888897.

Multiplying 2651426064 by its sum of digits (36), we get a square (95451338304 = 308952²).

2651426064 divided by its sum of digits (36) gives a square (73650724 = 8582²).

The spelling of 2651426064 in words is "two billion, six hundred fifty-one million, four hundred twenty-six thousand, sixty-four".