426240428 has 48 divisors (see below), whose sum is σ = 784824768. Its totient is φ = 202368000.

The previous prime is 426240413. The next prime is 426240443. The reversal of 426240428 is 824042624.

It is an interprime number because it is at equal distance from previous prime (426240413) and next prime (426240443).

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 426240394 and 426240403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370393 + ... + 1370703.

It is an arithmetic number, because the mean of its divisors is an integer number (16350516).

Almost surely, 2^426240428 is an apocalyptic number.

It is an amenable number.

426240428 is a deficient number, since it is larger than the sum of its proper divisors (358584340).

426240428 is a wasteful number, since it uses less digits than its factorization.

426240428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 426240428 is about 20645.5910063142. The cubic root of 426240428 is about 752.5780483647.

The spelling of 426240428 in words is "four hundred twenty-six million, two hundred forty thousand, four hundred twenty-eight".