4040821414820 has 24 divisors (see below), whose sum is σ = 8569742054328. Its totient is φ = 1600325312000.

The previous prime is 4040821414813. The next prime is 4040821414843. The reversal of 4040821414820 is 284141280404.

It can be written as a sum of positive squares in 4 ways, for example, as 1652782787236 + 2388038627584 = 1285606^2 + 1545328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000201301 + ... + 1000205340.

It is an arithmetic number, because the mean of its divisors is an integer number (357072585597).

Almost surely, 2^{4040821414820} is an apocalyptic number.

It is an amenable number.

4040821414820 is an abundant number, since it is smaller than the sum of its proper divisors (4528920639508).

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

4040821414820 is a wasteful number, since it uses less digits than its factorization.

4040821414820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000406751 (or 2000406749 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The spelling of 4040821414820 in words is "four trillion, forty billion, eight hundred twenty-one million, four hundred fourteen thousand, eight hundred twenty".