325011490440 has 768 divisors, whose sum is σ = 1245020958720. Its totient is φ = 67267952640.

The previous prime is 325011490429. The next prime is 325011490451. The reversal of 325011490440 is 44094110523.

It is an interprime number because it is at equal distance from previous prime (325011490429) and next prime (325011490451).

It is a super-2 number, since 2×325011490440² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 1649804422 + ... + 1649804618.

It is an arithmetic number, because the mean of its divisors is an integer number (1621121040).

Almost surely, 2^325011490440 is an apocalyptic number.

325011490440 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 325011490440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622510479360).

325011490440 is an abundant number, since it is smaller than the sum of its proper divisors (920009468280).

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

325011490440 is a wasteful number, since it uses less digits than its factorization.

325011490440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 325011490440 in words is "three hundred twenty-five billion, eleven million, four hundred ninety thousand, four hundred forty".