190027990084 has 81 divisors (see below), whose sum is σ = 351981477981. Its totient is φ = 89765058240.

The previous prime is 190027990073. The next prime is 190027990093. The reversal of 190027990084 is 480099720091.

The square root of 190027990084 is 435922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 36489404484 + 153538585600 = 191022^2 + 391840^2 .

It is a super-2 number, since 2×190027990084² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2135145912 + ... + 2135146000.

Almost surely, 2^190027990084 is an apocalyptic number.

190027990084 is the 435922-nd square number.

It is an amenable number.

190027990084 is a deficient number, since it is larger than the sum of its proper divisors (161953487897).

190027990084 is an frugal number, since it uses more digits than its factorization.

190027990084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

Multiplying 190027990084 by its sum of digits (49), we get a square (9311371514116 = 3051454²).

The spelling of 190027990084 in words is "one hundred ninety billion, twenty-seven million, nine hundred ninety thousand, eighty-four".