426321010500 has 768 divisors, whose sum is σ = 1695561154560. Its totient is φ = 80489472000.

The previous prime is 426321010487. The next prime is 426321010559. The reversal of 426321010500 is 5010123624.

It is a super-2 number, since 2×426321010500² (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 (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 56937757 + ... + 56945243.

It is an arithmetic number, because the mean of its divisors is an integer number (2207761920).

Almost surely, 2^426321010500 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 426321010500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847780577280).

426321010500 is an abundant number, since it is smaller than the sum of its proper divisors (1269240144060).

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

426321010500 is a wasteful number, since it uses less digits than its factorization.

426321010500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 426321010500 in words is "four hundred twenty-six billion, three hundred twenty-one million, ten thousand, five hundred".