426242050650 has 144 divisors (see below), whose sum is σ = 1233638375424. Its totient is φ = 104888960640.

The previous prime is 426242050649. The next prime is 426242050667. The reversal of 426242050650 is 56050242624.

426242050650 is a `hidden beast` number, since 4 + 2 + 62 + 42 + 0 + 506 + 50 = 666.

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 71 ways as a sum of consecutive naturals, for example, 23197767 + ... + 23216133.

Almost surely, 2^426242050650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426242050650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616819187712).

426242050650 is an abundant number, since it is smaller than the sum of its proper divisors (807396324774).

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

426242050650 is a wasteful number, since it uses less digits than its factorization.

426242050650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22365 (or 22357 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 426242050650 in words is "four hundred twenty-six billion, two hundred forty-two million, fifty thousand, six hundred fifty".