2094560640 has 256 divisors, whose sum is σ = 7579008000. Its totient is φ = 546453504.

The previous prime is 2094560623. The next prime is 2094560647. The reversal of 2094560640 is 460654902.

2094560640 is a `hidden beast` number, since 2 + 0 + 9 + 4 + 5 + 6 + 0 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2094560595 and 2094560604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094560647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810871 + ... + 813449.

It is an arithmetic number, because the mean of its divisors is an integer number (29605500).

Almost surely, 2^2094560640 is an apocalyptic number.

2094560640 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 2094560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3789504000).

2094560640 is an abundant number, since it is smaller than the sum of its proper divisors (5484447360).

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

2094560640 is a wasteful number, since it uses less digits than its factorization.

2094560640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2094560640 is about 45766.3701859783. The cubic root of 2094560640 is about 1279.4725691575.

The spelling of 2094560640 in words is "two billion, ninety-four million, five hundred sixty thousand, six hundred forty".