3245120490 has 32 divisors (see below), whose sum is σ = 7820893440. Its totient is φ = 861742784.

The previous prime is 3245120413. The next prime is 3245120491. The reversal of 3245120490 is 940215423.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3245120491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219129 + ... + 233468.

It is an arithmetic number, because the mean of its divisors is an integer number (244402920).

Almost surely, 2^3245120490 is an apocalyptic number.

3245120490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3245120490 is an abundant number, since it is smaller than the sum of its proper divisors (4575772950).

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

3245120490 is a wasteful number, since it uses less digits than its factorization.

3245120490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452846.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3245120490 is about 56965.9590457319. The cubic root of 3245120490 is about 1480.5063537072.

The spelling of 3245120490 in words is "three billion, two hundred forty-five million, one hundred twenty thousand, four hundred ninety".