2648194560 has 640 divisors, whose sum is σ = 10630033920. Its totient is φ = 627056640.

The previous prime is 2648194553. The next prime is 2648194573. The reversal of 2648194560 is 654918462.

2648194560 is a `hidden beast` number, since 2 + 6 + 4 + 81 + 9 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×2648194560² = 14025868855227187200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61585899 + ... + 61585941.

It is an arithmetic number, because the mean of its divisors is an integer number (16609428).

Almost surely, 2^2648194560 is an apocalyptic number.

2648194560 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 2648194560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5315016960).

2648194560 is an abundant number, since it is smaller than the sum of its proper divisors (7981839360).

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

2648194560 is an frugal number, since it uses more digits than its factorization.

2648194560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2648194560 is about 51460.6117336357. The cubic root of 2648194560 is about 1383.5131658920.

The spelling of 2648194560 in words is "two billion, six hundred forty-eight million, one hundred ninety-four thousand, five hundred sixty".