4126420650 has 144 divisors (see below), whose sum is σ = 11364835104. Its totient is φ = 990000000.

The previous prime is 4126420631. The next prime is 4126420657. The reversal of 4126420650 is 560246214.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4126420657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1832025 + ... + 1834275.

It is an arithmetic number, because the mean of its divisors is an integer number (78922466).

Almost surely, 2^4126420650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4126420650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5682417552).

4126420650 is an abundant number, since it is smaller than the sum of its proper divisors (7238414454).

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

4126420650 is a wasteful number, since it uses less digits than its factorization.

4126420650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4126420650 is about 64237.2216864958. The cubic root of 4126420650 is about 1603.9512563364.

Adding to 4126420650 its reverse (560246214), we get a palindrome (4686666864).

The spelling of 4126420650 in words is "four billion, one hundred twenty-six million, four hundred twenty thousand, six hundred fifty".