4273485520 has 20 divisors (see below), whose sum is σ = 9935854020. Its totient is φ = 1709394176.

The previous prime is 4273485511. The next prime is 4273485547. The reversal of 4273485520 is 255843724.

It can be written as a sum of positive squares in 2 ways, for example, as 853107264 + 3420378256 = 29208^2 + 58484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26709205 + ... + 26709364.

It is an arithmetic number, because the mean of its divisors is an integer number (496792701).

Almost surely, 2^4273485520 is an apocalyptic number.

4273485520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4273485520 is an abundant number, since it is smaller than the sum of its proper divisors (5662368500).

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

4273485520 is a wasteful number, since it uses less digits than its factorization.

4273485520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53418582 (or 53418576 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 4273485520 is about 65371.9016091776. The cubic root of 4273485520 is about 1622.7841065068.

The spelling of 4273485520 in words is "four billion, two hundred seventy-three million, four hundred eighty-five thousand, five hundred twenty".