811060420 has 12 divisors (see below), whose sum is σ = 1703226924. Its totient is φ = 324424160.

The previous prime is 811060399. The next prime is 811060423. The reversal of 811060420 is 24060118.

It can be written as a sum of positive squares in 2 ways, for example, as 153958464 + 657101956 = 12408^2 + 25634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 811060391 and 811060400.

It is not an unprimeable number, because it can be changed into a prime (811060423) 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, 20276491 + ... + 20276530.

It is an arithmetic number, because the mean of its divisors is an integer number (141935577).

Almost surely, 2^811060420 is an apocalyptic number.

It is an amenable number.

811060420 is an abundant number, since it is smaller than the sum of its proper divisors (892166504).

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

811060420 is a wasteful number, since it uses less digits than its factorization.

811060420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40553030 (or 40553028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 811060420 is about 28479.1225286173. The cubic root of 811060420 is about 932.5763610030.

The spelling of 811060420 in words is "eight hundred eleven million, sixty thousand, four hundred twenty".