4664550420 has 72 divisors (see below), whose sum is σ = 14764329216. Its totient is φ = 1189797312.

The previous prime is 4664550419. The next prime is 4664550467. The reversal of 4664550420 is 240554664.

4664550420 is a `hidden beast` number, since 4 + 6 + 64 + 550 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559212 + ... + 567491.

It is an arithmetic number, because the mean of its divisors is an integer number (205060128).

Almost surely, 2^4664550420 is an apocalyptic number.

It is an amenable number.

4664550420 is an abundant number, since it is smaller than the sum of its proper divisors (10099778796).

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

4664550420 is a wasteful number, since it uses less digits than its factorization.

4664550420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126741 (or 1126736 counting only the distinct ones).

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

The square root of 4664550420 is about 68297.5140103943. The cubic root of 4664550420 is about 1670.8466692938.

The spelling of 4664550420 in words is "four billion, six hundred sixty-four million, five hundred fifty thousand, four hundred twenty".