2864459520 has 432 divisors, whose sum is σ = 11035245312. Its totient is φ = 681246720.

The previous prime is 2864459467. The next prime is 2864459527. The reversal of 2864459520 is 259544682.

2864459520 is a `hidden beast` number, since 2 + 86 + 4 + 45 + 9 + 520 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864459527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4642252 + ... + 4642868.

Almost surely, 2^2864459520 is an apocalyptic number.

2864459520 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 2864459520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5517622656).

2864459520 is an abundant number, since it is smaller than the sum of its proper divisors (8170785792).

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

2864459520 is a wasteful number, since it uses less digits than its factorization.

2864459520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2864459520 is about 53520.6457360148. The cubic root of 2864459520 is about 1420.1936388712.

The spelling of 2864459520 in words is "two billion, eight hundred sixty-four million, four hundred fifty-nine thousand, five hundred twenty".