6426240246 has 64 divisors (see below), whose sum is σ = 14623165440. Its totient is φ = 2091277440.

The previous prime is 6426240229. The next prime is 6426240251. The reversal of 6426240246 is 6420426246.

6426240246 is a `hidden beast` number, since 6 + 4 + 2 + 624 + 0 + 24 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6426240246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386766 + ... + 403038.

It is an arithmetic number, because the mean of its divisors is an integer number (228486960).

Almost surely, 2^6426240246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6426240246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7311582720).

6426240246 is an abundant number, since it is smaller than the sum of its proper divisors (8196925194).

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

6426240246 is a wasteful number, since it uses less digits than its factorization.

6426240246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16458 (or 16452 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 6426240246 is about 80163.8337780822. The cubic root of 6426240246 is about 1859.1694991589.

The spelling of 6426240246 in words is "six billion, four hundred twenty-six million, two hundred forty thousand, two hundred forty-six".