15332475440 has 40 divisors (see below), whose sum is σ = 37744950240. Its totient is φ = 5772225536.

The previous prime is 15332475437. The next prime is 15332475451. The reversal of 15332475440 is 4457423351.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 15332475394 and 15332475403.

It is an unprimeable number.

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, 5635580 + ... + 5638299.

It is an arithmetic number, because the mean of its divisors is an integer number (943623756).

Almost surely, 2^15332475440 is an apocalyptic number.

15332475440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15332475440 is an abundant number, since it is smaller than the sum of its proper divisors (22412474800).

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

15332475440 is a wasteful number, since it uses less digits than its factorization.

15332475440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273909 (or 11273903 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 15332475440 its reverse (4457423351), we get a palindrome (19789898791).

The spelling of 15332475440 in words is "fifteen billion, three hundred thirty-two million, four hundred seventy-five thousand, four hundred forty".