8536020444 has 72 divisors (see below), whose sum is σ = 24890156928. Its totient is φ = 2416062240.

The previous prime is 8536020439. The next prime is 8536020463. The reversal of 8536020444 is 4440206358.

8536020444 is a `hidden beast` number, since 8 + 5 + 3 + 602 + 0 + 4 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8536020399 and 8536020408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131322 + ... + 185249.

It is an arithmetic number, because the mean of its divisors is an integer number (345696624).

Almost surely, 2^8536020444 is an apocalyptic number.

8536020444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8536020444 is an abundant number, since it is smaller than the sum of its proper divisors (16354136484).

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

8536020444 is a wasteful number, since it uses less digits than its factorization.

8536020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316695 (or 316690 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 8536020444 is about 92390.5863386525. The cubic root of 8536020444 is about 2043.7062928565.

The spelling of 8536020444 in words is "eight billion, five hundred thirty-six million, twenty thousand, four hundred forty-four".