2920845312 has 520 divisors, whose sum is σ = 11012635680. Its totient is φ = 758661120.

The previous prime is 2920845251. The next prime is 2920845313. The reversal of 2920845312 is 2135480292.

It is a happy number.

2920845312 is a `hidden beast` number, since 29 + 20 + 84 + 531 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2920845313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 265531387 + ... + 265531397.

Almost surely, 2^2920845312 is an apocalyptic number.

2920845312 is a gapful number since it is divisible by the number (22) 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 2920845312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5506317840).

2920845312 is an abundant number, since it is smaller than the sum of its proper divisors (8091790368).

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

2920845312 is an frugal number, since it uses more digits than its factorization.

2920845312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2920845312 is about 54044.8453786298. The cubic root of 2920845312 is about 1429.4518106786.

The spelling of 2920845312 in words is "two billion, nine hundred twenty million, eight hundred forty-five thousand, three hundred twelve".