426265320000 has 420 divisors, whose sum is σ = 1526154661680. Its totient is φ = 104921856000.

The previous prime is 426265319947. The next prime is 426265320049. The reversal of 426265320000 is 23562624.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 426265320000.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 20269491 + ... + 20290509.

Almost surely, 2^426265320000 is an apocalyptic number.

426265320000 is a gapful number since it is divisible by the number (40) 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 426265320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763077330840).

426265320000 is an abundant number, since it is smaller than the sum of its proper divisors (1099889341680).

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

426265320000 is a wasteful number, since it uses less digits than its factorization.

426265320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21080 (or 21042 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 426265320000 its reverse (23562624), we get a palindrome (426288882624).

The spelling of 426265320000 in words is "four hundred twenty-six billion, two hundred sixty-five million, three hundred twenty thousand".