426140352 has 336 divisors, whose sum is σ = 1437875712. Its totient is φ = 124001280.

The previous prime is 426140339. The next prime is 426140357. The reversal of 426140352 is 253041624.

426140352 is a `hidden beast` number, since 42 + 614 + 0 + 3 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (426140357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8040358 + ... + 8040410.

It is an arithmetic number, because the mean of its divisors is an integer number (4279392).

Almost surely, 2^426140352 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 426140352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718937856).

426140352 is an abundant number, since it is smaller than the sum of its proper divisors (1011735360).

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

426140352 is a wasteful number, since it uses less digits than its factorization.

426140352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 426140352 is about 20643.1671988578. The cubic root of 426140352 is about 752.5191450705.

Adding to 426140352 its reverse (253041624), we get a palindrome (679181976).

The spelling of 426140352 in words is "four hundred twenty-six million, one hundred forty thousand, three hundred fifty-two".