426573544530 has 128 divisors (see below), whose sum is σ = 1215665625600. Its totient is φ = 93728968704.

The previous prime is 426573544499. The next prime is 426573544577. The reversal of 426573544530 is 35445375624.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 426573544530.

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 63 ways as a sum of consecutive naturals, for example, 1241674 + ... + 1547546.

It is an arithmetic number, because the mean of its divisors is an integer number (9497387700).

Almost surely, 2^426573544530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426573544530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607832812800).

426573544530 is an abundant number, since it is smaller than the sum of its proper divisors (789092081070).

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

426573544530 is a wasteful number, since it uses less digits than its factorization.

426573544530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306148.

The product of its (nonzero) digits is 6048000, while the sum is 48.

The spelling of 426573544530 in words is "four hundred twenty-six billion, five hundred seventy-three million, five hundred forty-four thousand, five hundred thirty".