426309280 has 96 divisors (see below), whose sum is σ = 1055980800. Its totient is φ = 162419712.

The previous prime is 426309259. The next prime is 426309281. The reversal of 426309280 is 82903624.

It is not an unprimeable number, because it can be changed into a prime (426309281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365979 + ... + 367141.

It is an arithmetic number, because the mean of its divisors is an integer number (10999800).

Almost surely, 2^426309280 is an apocalyptic number.

426309280 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 426309280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527990400).

426309280 is an abundant number, since it is smaller than the sum of its proper divisors (629671520).

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

426309280 is a wasteful number, since it uses less digits than its factorization.

426309280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 426309280 is about 20647.2584136490. The cubic root of 426309280 is about 752.6185683080.

The spelling of 426309280 in words is "four hundred twenty-six million, three hundred nine thousand, two hundred eighty".