15005320940 has 24 divisors (see below), whose sum is σ = 32597767440. Its totient is φ = 5795158208.

The previous prime is 15005320937. The next prime is 15005320949. The reversal of 15005320940 is 4902350051.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (15005320949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12935042 + ... + 12936201.

It is an arithmetic number, because the mean of its divisors is an integer number (1358240310).

Almost surely, 2^15005320940 is an apocalyptic number.

15005320940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15005320940 is an abundant number, since it is smaller than the sum of its proper divisors (17592446500).

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

15005320940 is a wasteful number, since it uses less digits than its factorization.

15005320940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25871281 (or 25871279 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 15005320940 its reverse (4902350051), we get a palindrome (19907670991).

The spelling of 15005320940 in words is "fifteen billion, five million, three hundred twenty thousand, nine hundred forty".