326420627057250 has 256 divisors, whose sum is σ = 894619706572800. Its totient is φ = 78615519840000.

The previous prime is 326420627057243. The next prime is 326420627057303. The reversal of 326420627057250 is 52750726024623.

It is a junction number, because it is equal to n+sod(n) for n = 326420627057193 and 326420627057202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9832226151 + ... + 9832259349.

It is an arithmetic number, because the mean of its divisors is an integer number (3494608228800).

Almost surely, 2^{326420627057250} is an apocalyptic number.

326420627057250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326420627057250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447309853286400).

326420627057250 is an abundant number, since it is smaller than the sum of its proper divisors (568199079515550).

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

326420627057250 is a wasteful number, since it uses less digits than its factorization.

326420627057250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40978 (or 40968 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 51.

The spelling of 326420627057250 in words is "three hundred twenty-six trillion, four hundred twenty billion, six hundred twenty-seven million, fifty-seven thousand, two hundred fifty".