900028461122 has 54 divisors (see below), whose sum is σ = 1605370089267. Its totient is φ = 377334387528.

The previous prime is 900028461089. The next prime is 900028461127. The reversal of 900028461122 is 221164820009.

It can be written as a sum of positive squares in only one way, i.e., 450014230561 + 450014230561 = 670831^2 + 670831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=670831.

It is not an unprimeable number, because it can be changed into a prime (900028461127) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 441405779 + ... + 441407817.

Almost surely, 2^900028461122 is an apocalyptic number.

900028461122 is a deficient number, since it is larger than the sum of its proper divisors (705341628145).

900028461122 is an frugal number, since it uses more digits than its factorization.

900028461122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 900028461122 in words is "nine hundred billion, twenty-eight million, four hundred sixty-one thousand, one hundred twenty-two".