32404680169 has 9 divisors (see below), whose sum is σ = 34426215877. Its totient is φ = 30495642304.

The previous prime is 32404680163. The next prime is 32404680193. The reversal of 32404680169 is 96108640423.

It is a happy number.

The square root of 32404680169 is 180013.

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

It can be written as a sum of positive squares in 4 ways, for example, as 439531225 + 31965148944 = 20965^2 + 178788^2 .

It is not a de Polignac number, because 32404680169 - 2²³ = 32396291561 is a prime.

It is a super-2 number, since 2×32404680169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32404680163) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3054927 + ... + 3065515.

Almost surely, 2^32404680169 is an apocalyptic number.

32404680169 is the 180013-rd square number.

32404680169 is the 90007-th centered octagonal number.

It is an amenable number.

32404680169 is a deficient number, since it is larger than the sum of its proper divisors (2021535708).

32404680169 is an frugal number, since it uses more digits than its factorization.

32404680169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21212 (or 10606 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 32404680169 in words is "thirty-two billion, four hundred four million, six hundred eighty thousand, one hundred sixty-nine".