4655440020 has 144 divisors (see below), whose sum is σ = 16542042048. Its totient is φ = 967357440.

The previous prime is 4655440007. The next prime is 4655440063. The reversal of 4655440020 is 200445564.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 4655440020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39637 + ... + 104316.

It is an arithmetic number, because the mean of its divisors is an integer number (114875292).

Almost surely, 2^4655440020 is an apocalyptic number.

It is an amenable number.

4655440020 is an abundant number, since it is smaller than the sum of its proper divisors (11886602028).

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

4655440020 is a wasteful number, since it uses less digits than its factorization.

4655440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143990 (or 143981 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4655440020 is about 68230.7849874234. The cubic root of 4655440020 is about 1669.7581755093.

Adding to 4655440020 its reverse (200445564), we get a palindrome (4855885584).

The spelling of 4655440020 in words is "four billion, six hundred fifty-five million, four hundred forty thousand, twenty".