3225018240 has 384 divisors, whose sum is σ = 11728735200. Its totient is φ = 846692352.

The previous prime is 3225018239. The next prime is 3225018241. The reversal of 3225018240 is 428105223.

It is an interprime number because it is at equal distance from previous prime (3225018239) and next prime (3225018241).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225018241) 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, 13841164 + ... + 13841396.

Almost surely, 2^3225018240 is an apocalyptic number.

3225018240 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 3225018240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5864367600).

3225018240 is an abundant number, since it is smaller than the sum of its proper divisors (8503716960).

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

3225018240 is an equidigital number, since it uses as much as digits as its factorization.

3225018240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 3225018240 is about 56789.2440520210. The cubic root of 3225018240 is about 1477.4429672128.

The spelling of 3225018240 in words is "three billion, two hundred twenty-five million, eighteen thousand, two hundred forty".