4045780 has 12 divisors (see below), whose sum is σ = 8496180. Its totient is φ = 1618304.

The previous prime is 4045771. The next prime is 4045781. The reversal of 4045780 is 875404.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 3147076 = 948^2 + 1774^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101125 + ... + 101164.

It is an arithmetic number, because the mean of its divisors is an integer number (708015).

Almost surely, 2^4045780 is an apocalyptic number.

It is an amenable number.

4045780 is an abundant number, since it is smaller than the sum of its proper divisors (4450400).

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

4045780 is a wasteful number, since it uses less digits than its factorization.

4045780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202298 (or 202296 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4045780 is about 2011.4124390587. The cubic root of 4045780 is about 159.3434029377.

The spelling of 4045780 in words is "four million, forty-five thousand, seven hundred eighty".