426420425222544 has 160 divisors (see below), whose sum is σ = 1153394610877440. Its totient is φ = 135598305024000.

The previous prime is 426420425222537. The next prime is 426420425222557. The reversal of 426420425222544 is 445222524024624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 426420425222493 and 426420425222502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28220854 + ... + 40611050.

It is an arithmetic number, because the mean of its divisors is an integer number (7208716317984).

Almost surely, 2^{426420425222544} 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 426420425222544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576697305438720).

426420425222544 is an abundant number, since it is smaller than the sum of its proper divisors (726974185654896).

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

426420425222544 is a wasteful number, since it uses less digits than its factorization.

426420425222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12390569 (or 12390563 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 48.

The spelling of 426420425222544 in words is "four hundred twenty-six trillion, four hundred twenty billion, four hundred twenty-five million, two hundred twenty-two thousand, five hundred forty-four".