4551761920 has 56 divisors (see below), whose sum is σ = 10923660144. Its totient is φ = 1820688384.

The previous prime is 4551761911. The next prime is 4551761959. The reversal of 4551761920 is 291671554.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14604 + ... + 96523.

Almost surely, 2^4551761920 is an apocalyptic number.

4551761920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4551761920 is an abundant number, since it is smaller than the sum of its proper divisors (6371898224).

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

4551761920 is an equidigital number, since it uses as much as digits as its factorization.

4551761920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111158 (or 111134 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 4551761920 is about 67466.7467720210. The cubic root of 4551761920 is about 1657.2696588323.

The spelling of 4551761920 in words is "four billion, five hundred fifty-one million, seven hundred sixty-one thousand, nine hundred twenty".