15532240208 has 40 divisors (see below), whose sum is σ = 30903164928. Its totient is φ = 7559540352.

The previous prime is 15532240201. The next prime is 15532240271. The reversal of 15532240208 is 80204223551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15532240201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35585 + ... + 179807.

Almost surely, 2^15532240208 is an apocalyptic number.

It is an amenable number.

15532240208 is a deficient number, since it is larger than the sum of its proper divisors (15370924720).

15532240208 is a wasteful number, since it uses less digits than its factorization.

15532240208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144411 (or 144405 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 15532240208 its reverse (80204223551), we get a palindrome (95736463759).

The spelling of 15532240208 in words is "fifteen billion, five hundred thirty-two million, two hundred forty thousand, two hundred eight".