190402471090 has 16 divisors (see below), whose sum is σ = 369087867288. Its totient is φ = 70302450816.

The previous prime is 190402471073. The next prime is 190402471099. The reversal of 190402471090 is 90174204091.

190402471090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 81282580201 + 109119890889 = 285101^2 + 330333^2 .

It is not an unprimeable number, because it can be changed into a prime (190402471099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732317067 + ... + 732317326.

Almost surely, 2^190402471090 is an apocalyptic number.

190402471090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190402471090 is a deficient number, since it is larger than the sum of its proper divisors (178685396198).

190402471090 is a wasteful number, since it uses less digits than its factorization.

190402471090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464634413.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 190402471090 in words is "one hundred ninety billion, four hundred two million, four hundred seventy-one thousand, ninety".