36122578420 has 24 divisors (see below), whose sum is σ = 76082525064. Its totient is φ = 14406153216.

The previous prime is 36122578417. The next prime is 36122578421. The reversal of 36122578420 is 2487522163.

It can be written as a sum of positive squares in 4 ways, for example, as 3058974864 + 33063603556 = 55308^2 + 181834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36122578421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672977 + ... + 2686456.

It is an arithmetic number, because the mean of its divisors is an integer number (3170105211).

Almost surely, 2^36122578420 is an apocalyptic number.

It is an amenable number.

36122578420 is an abundant number, since it is smaller than the sum of its proper divisors (39959946644).

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

36122578420 is a wasteful number, since it uses less digits than its factorization.

36122578420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359779 (or 5359777 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 36122578420 in words is "thirty-six billion, one hundred twenty-two million, five hundred seventy-eight thousand, four hundred twenty".