3649540132 has 24 divisors (see below), whose sum is σ = 7300448064. Its totient is φ = 1563795552.

The previous prime is 3649540109. The next prime is 3649540133. The reversal of 3649540132 is 2310459463.

It is a junction number, because it is equal to n+sod(n) for n = 3649540091 and 3649540100.

It is not an unprimeable number, because it can be changed into a prime (3649540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212283 + ... + 228829.

It is an arithmetic number, because the mean of its divisors is an integer number (304185336).

Almost surely, 2^3649540132 is an apocalyptic number.

It is an amenable number.

3649540132 is an abundant number, since it is smaller than the sum of its proper divisors (3650907932).

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

3649540132 is a wasteful number, since it uses less digits than its factorization.

3649540132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24435 (or 24433 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 3649540132 is about 60411.4238534402. The cubic root of 3649540132 is about 1539.6170594484.

Adding to 3649540132 its reverse (2310459463), we get a palindrome (5959999595).

The spelling of 3649540132 in words is "three billion, six hundred forty-nine million, five hundred forty thousand, one hundred thirty-two".