4775642820 has 96 divisors (see below), whose sum is σ = 16000467840. Its totient is φ = 1175541120.

The previous prime is 4775642801. The next prime is 4775642869. The reversal of 4775642820 is 282465774.

It is a happy number.

4775642820 is a `hidden beast` number, since 4 + 7 + 7 + 564 + 2 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333126 + ... + 347165.

It is an arithmetic number, because the mean of its divisors is an integer number (166671540).

Almost surely, 2^4775642820 is an apocalyptic number.

It is an amenable number.

4775642820 is an abundant number, since it is smaller than the sum of its proper divisors (11224825020).

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

4775642820 is a wasteful number, since it uses less digits than its factorization.

4775642820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680322 (or 680314 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4775642820 is about 69106.0259311733. The cubic root of 4775642820 is about 1684.0072071992.

The spelling of 4775642820 in words is "four billion, seven hundred seventy-five million, six hundred forty-two thousand, eight hundred twenty".