426532620 has 96 divisors (see below), whose sum is σ = 1213632000. Its totient is φ = 111919104.

The previous prime is 426532597. The next prime is 426532637. The reversal of 426532620 is 26235624.

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

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, 1659532 + ... + 1659788.

It is an arithmetic number, because the mean of its divisors is an integer number (12642000).

Almost surely, 2^426532620 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 426532620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606816000).

426532620 is an abundant number, since it is smaller than the sum of its proper divisors (787099380).

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

426532620 is a wasteful number, since it uses less digits than its factorization.

426532620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 605 counting only the distinct ones).

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

The square root of 426532620 is about 20652.6661717077. Note that the first 3 decimals coincide. The cubic root of 426532620 is about 752.7499756327.

The spelling of 426532620 in words is "four hundred twenty-six million, five hundred thirty-two thousand, six hundred twenty".