3215005200 has 360 divisors, whose sum is σ = 12814819680. Its totient is φ = 738201600.

The previous prime is 3215005193. The next prime is 3215005231. The reversal of 3215005200 is 25005123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 750264 + ... + 754536.

Almost surely, 2^3215005200 is an apocalyptic number.

3215005200 is a gapful number since it is divisible by the number (30) 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 3215005200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6407409840).

3215005200 is an abundant number, since it is smaller than the sum of its proper divisors (9599814480).

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

3215005200 is a wasteful number, since it uses less digits than its factorization.

3215005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3215005200 is about 56701.0158639155. The cubic root of 3215005200 is about 1475.9123265173.

The spelling of 3215005200 in words is "three billion, two hundred fifteen million, five thousand, two hundred".