2865420360 has 240 divisors, whose sum is σ = 10587584700. Its totient is φ = 694552320.

The previous prime is 2865420353. The next prime is 2865420379. The reversal of 2865420360 is 630245682.

2865420360 is a `hidden beast` number, since 2 + 86 + 542 + 0 + 36 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2836840644 + 28579716 = 53262^2 + 5346^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 388386 + ... + 395694.

Almost surely, 2^2865420360 is an apocalyptic number.

2865420360 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 2865420360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5293792350).

2865420360 is an abundant number, since it is smaller than the sum of its proper divisors (7722164340).

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

2865420360 is a wasteful number, since it uses less digits than its factorization.

2865420360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7330 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2865420360 is about 53529.6213324922. The cubic root of 2865420360 is about 1420.3524153407.

The spelling of 2865420360 in words is "two billion, eight hundred sixty-five million, four hundred twenty thousand, three hundred sixty".