325635729408 has 576 divisors, whose sum is σ = 1071500451840. Its totient is φ = 94379212800.

The previous prime is 325635729407. The next prime is 325635729413. The reversal of 325635729408 is 804927536523.

325635729408 is a `hidden beast` number, since 3 + 2 + 5 + 63 + 572 + 9 + 4 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (325635729407) 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, 647386885 + ... + 647387387.

It is an arithmetic number, because the mean of its divisors is an integer number (1860243840).

Almost surely, 2^325635729408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325635729408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535750225920).

325635729408 is an abundant number, since it is smaller than the sum of its proper divisors (745864722432).

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

325635729408 is a wasteful number, since it uses less digits than its factorization.

325635729408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 325635729408 in words is "three hundred twenty-five billion, six hundred thirty-five million, seven hundred twenty-nine thousand, four hundred eight".