36447770420 has 12 divisors (see below), whose sum is σ = 76540317924. Its totient is φ = 14579108160.

The previous prime is 36447770351. The next prime is 36447770477. The reversal of 36447770420 is 2407774463.

It can be written as a sum of positive squares in 2 ways, for example, as 20835767716 + 15612002704 = 144346^2 + 124948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911194241 + ... + 911194280.

It is an arithmetic number, because the mean of its divisors is an integer number (6378359827).

Almost surely, 2^36447770420 is an apocalyptic number.

It is an amenable number.

36447770420 is an abundant number, since it is smaller than the sum of its proper divisors (40092547504).

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

36447770420 is a wasteful number, since it uses less digits than its factorization.

36447770420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822388530 (or 1822388528 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 36447770420 in words is "thirty-six billion, four hundred forty-seven million, seven hundred seventy thousand, four hundred twenty".