2849696640 has 320 divisors, whose sum is σ = 11632088160. Its totient is φ = 651276288.

The previous prime is 2849696593. The next prime is 2849696651. The reversal of 2849696640 is 466969482.

2849696640 is a `hidden beast` number, since 2 + 8 + 496 + 96 + 64 + 0 = 666.

2849696640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 358954 + ... + 366806.

Almost surely, 2^2849696640 is an apocalyptic number.

2849696640 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 2849696640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5816044080).

2849696640 is an abundant number, since it is smaller than the sum of its proper divisors (8782391520).

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

2849696640 is an equidigital number, since it uses as much as digits as its factorization.

2849696640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891 (or 7870 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 2849696640 is about 53382.5499578280. The cubic root of 2849696640 is about 1417.7496326960.

The spelling of 2849696640 in words is "two billion, eight hundred forty-nine million, six hundred ninety-six thousand, six hundred forty".