4020347776 has 48 divisors (see below), whose sum is σ = 8231963040. Its totient is φ = 1955759616.

The previous prime is 4020347753. The next prime is 4020347819. The reversal of 4020347776 is 6777430204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163761 + ... + 186703.

It is an arithmetic number, because the mean of its divisors is an integer number (171499230).

Almost surely, 2^4020347776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020347776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4115981520).

4020347776 is an abundant number, since it is smaller than the sum of its proper divisors (4211615264).

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

4020347776 is an equidigital number, since it uses as much as digits as its factorization.

4020347776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031 (or 22982 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 4020347776 is about 63406.2124401072. The cubic root of 4020347776 is about 1590.0881741115.

The spelling of 4020347776 in words is "four billion, twenty million, three hundred forty-seven thousand, seven hundred seventy-six".