3640489104 has 60 divisors (see below), whose sum is σ = 10940048304. Its totient is φ = 1040139072.

The previous prime is 3640489093. The next prime is 3640489109. The reversal of 3640489104 is 4019840463.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3640489109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 771562 + ... + 776265.

Almost surely, 2^3640489104 is an apocalyptic number.

It is an amenable number.

3640489104 is an abundant number, since it is smaller than the sum of its proper divisors (7299559200).

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

3640489104 is a wasteful number, since it uses less digits than its factorization.

3640489104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547852 (or 1547839 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 3640489104 is about 60336.4657897693. The cubic root of 3640489104 is about 1538.3432320236.

The spelling of 3640489104 in words is "three billion, six hundred forty million, four hundred eighty-nine thousand, one hundred four".