325601990400 has 432 divisors, whose sum is σ = 1099731390464. Its totient is φ = 84815216640.

The previous prime is 325601990347. The next prime is 325601990429. The reversal of 325601990400 is 4099106523.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 163371804 + ... + 163373796.

Almost surely, 2^325601990400 is an apocalyptic number.

325601990400 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 325601990400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549865695232).

325601990400 is an abundant number, since it is smaller than the sum of its proper divisors (774129400064).

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

325601990400 is a wasteful number, since it uses less digits than its factorization.

325601990400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 325601990400 in words is "three hundred twenty-five billion, six hundred one million, nine hundred ninety thousand, four hundred".