4626421506 has 96 divisors (see below), whose sum is σ = 11619379200. Its totient is φ = 1303102080.

The previous prime is 4626421483. The next prime is 4626421507. The reversal of 4626421506 is 6051246264.

4626421506 is a `hidden beast` number, since 4 + 6 + 2 + 642 + 1 + 5 + 0 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4626421507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3144351 + ... + 3145821.

It is an arithmetic number, because the mean of its divisors is an integer number (121035200).

Almost surely, 2^4626421506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4626421506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5809689600).

4626421506 is an abundant number, since it is smaller than the sum of its proper divisors (6992957694).

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

4626421506 is a wasteful number, since it uses less digits than its factorization.

4626421506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 4626421506 is about 68017.8028607217. The cubic root of 4626421506 is about 1666.2816028735.

The spelling of 4626421506 in words is "four billion, six hundred twenty-six million, four hundred twenty-one thousand, five hundred six".