4645633320 has 48 divisors (see below), whose sum is σ = 15098309460. Its totient is φ = 1238835456.

The previous prime is 4645633283. The next prime is 4645633379. The reversal of 4645633320 is 233365464.

4645633320 is a `hidden beast` number, since 4 + 64 + 563 + 3 + 32 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4518259524 + 127373796 = 67218^2 + 11286^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6451909 + ... + 6452628.

Almost surely, 2^4645633320 is an apocalyptic number.

4645633320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4645633320 is an abundant number, since it is smaller than the sum of its proper divisors (10452676140).

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

4645633320 is a wasteful number, since it uses less digits than its factorization.

4645633320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12904554 (or 12904547 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 4645633320 is about 68158.8829133811. The cubic root of 4645633320 is about 1668.5849008906.

Adding to 4645633320 its reverse (233365464), we get a palindrome (4878998784).

The spelling of 4645633320 in words is "four billion, six hundred forty-five million, six hundred thirty-three thousand, three hundred twenty".