4645924220 has 72 divisors (see below), whose sum is σ = 12016979856. Its totient is φ = 1499183616.

The previous prime is 4645924159. The next prime is 4645924223. The reversal of 4645924220 is 224295464.

It is a super-2 number, since 2×4645924220² = 43169223715965216800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645924223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122774 + ... + 156093.

It is an arithmetic number, because the mean of its divisors is an integer number (166902498).

Almost surely, 2^4645924220 is an apocalyptic number.

It is an amenable number.

4645924220 is an abundant number, since it is smaller than the sum of its proper divisors (7371055636).

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

4645924220 is a wasteful number, since it uses less digits than its factorization.

4645924220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278907 (or 278898 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 4645924220 is about 68161.0168644805. The cubic root of 4645924220 is about 1668.6197279481.

The spelling of 4645924220 in words is "four billion, six hundred forty-five million, nine hundred twenty-four thousand, two hundred twenty".