4551280420 has 24 divisors (see below), whose sum is σ = 9574871544. Its totient is φ = 1817239296.

The previous prime is 4551280373. The next prime is 4551280427. The reversal of 4551280420 is 240821554.

It can be written as a sum of positive squares in 4 ways, for example, as 81288256 + 4469992164 = 9016^2 + 66858^2 .

It is a super-2 number, since 2×4551280420² = 41428306922950752800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4551280427) 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, 193137 + ... + 215416.

It is an arithmetic number, because the mean of its divisors is an integer number (398952981).

Almost surely, 2^4551280420 is an apocalyptic number.

It is an amenable number.

4551280420 is an abundant number, since it is smaller than the sum of its proper divisors (5023591124).

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

4551280420 is a wasteful number, since it uses less digits than its factorization.

4551280420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409119 (or 409117 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 4551280420 is about 67463.1782530293. The cubic root of 4551280420 is about 1657.2112196686.

The spelling of 4551280420 in words is "four billion, five hundred fifty-one million, two hundred eighty thousand, four hundred twenty".