426013616 has 80 divisors (see below), whose sum is σ = 976062528. Its totient is φ = 176332800.

The previous prime is 426013589. The next prime is 426013631. The reversal of 426013616 is 616310624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518486 + ... + 519306.

Almost surely, 2^426013616 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 426013616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488031264).

426013616 is an abundant number, since it is smaller than the sum of its proper divisors (550048912).

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

426013616 is a wasteful number, since it uses less digits than its factorization.

426013616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 426013616 is about 20640.0972865924. The cubic root of 426013616 is about 752.4445368481. Note that the first 3 decimals are identical.

The spelling of 426013616 in words is "four hundred twenty-six million, thirteen thousand, six hundred sixteen".