426514240 has 56 divisors (see below), whose sum is σ = 1019327400. Its totient is φ = 169986048.

The previous prime is 426514229. The next prime is 426514243. The reversal of 426514240 is 42415624.

It can be written as a sum of positive squares in 4 ways, for example, as 185395456 + 241118784 = 13616^2 + 15528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426514199 and 426514208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426514243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91486 + ... + 96034.

It is an arithmetic number, because the mean of its divisors is an integer number (18202275).

Almost surely, 2^426514240 is an apocalyptic number.

426514240 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 426514240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509663700).

426514240 is an abundant number, since it is smaller than the sum of its proper divisors (592813160).

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

426514240 is a wasteful number, since it uses less digits than its factorization.

426514240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4849 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 426514240 is about 20652.2211880466. The cubic root of 426514240 is about 752.7391630613.

Adding to 426514240 its reverse (42415624), we get a palindrome (468929864).

The spelling of 426514240 in words is "four hundred twenty-six million, five hundred fourteen thousand, two hundred forty".