4555477720 has 32 divisors (see below), whose sum is σ = 10263874320. Its totient is φ = 1819693440.

The previous prime is 4555477699. The next prime is 4555477723. The reversal of 4555477720 is 277745554.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555477723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48366 + ... + 107005.

Almost surely, 2^4555477720 is an apocalyptic number.

4555477720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4555477720 is an abundant number, since it is smaller than the sum of its proper divisors (5708396600).

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

4555477720 is a wasteful number, since it uses less digits than its factorization.

4555477720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156115 (or 156111 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 46.

The square root of 4555477720 is about 67494.2791649781. The cubic root of 4555477720 is about 1657.7205031253.

The spelling of 4555477720 in words is "four billion, five hundred fifty-five million, four hundred seventy-seven thousand, seven hundred twenty".