909090828036 has 30 divisors (see below), whose sum is σ = 2376542998830. Its totient is φ = 303030275904.

The previous prime is 909090827963. The next prime is 909090828043. The reversal of 909090828036 is 630828090909.

It can be written as a sum of positive squares in only one way, i.e., 529684106436 + 379406721600 = 727794^2 + 615960^2 .

It is a super-2 number, since 2×909090828036² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1402917621 + ... + 1402918268.

It is an arithmetic number, because the mean of its divisors is an integer number (79218099961).

Almost surely, 2^909090828036 is an apocalyptic number.

It is an amenable number.

909090828036 is an abundant number, since it is smaller than the sum of its proper divisors (1467452170794).

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

909090828036 is a wasteful number, since it uses less digits than its factorization.

909090828036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805835905 (or 2805835894 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 909090828036 in words is "nine hundred nine billion, ninety million, eight hundred twenty-eight thousand, thirty-six".