4551629920 has 24 divisors (see below), whose sum is σ = 10753226064. Its totient is φ = 1820651904.

The previous prime is 4551629917. The next prime is 4551629933. The reversal of 4551629920 is 299261554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14223684 + ... + 14224003.

It is an arithmetic number, because the mean of its divisors is an integer number (448051086).

Almost surely, 2^4551629920 is an apocalyptic number.

4551629920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4551629920 is an abundant number, since it is smaller than the sum of its proper divisors (6201596144).

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

4551629920 is a wasteful number, since it uses less digits than its factorization.

4551629920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28447702 (or 28447694 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 4551629920 is about 67465.7685052205. The cubic root of 4551629920 is about 1657.2536385370.

The spelling of 4551629920 in words is "four billion, five hundred fifty-one million, six hundred twenty-nine thousand, nine hundred twenty".