15320040100 has 144 divisors (see below), whose sum is σ = 37297612800. Its totient is φ = 5434197120.

The previous prime is 15320040083. The next prime is 15320040103. The reversal of 15320040100 is 104002351.

It is not an unprimeable number, because it can be changed into a prime (15320040103) 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 47 ways as a sum of consecutive naturals, for example, 2050171 + ... + 2057629.

It is an arithmetic number, because the mean of its divisors is an integer number (259011200).

Almost surely, 2^15320040100 is an apocalyptic number.

15320040100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15320040100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18648806400).

15320040100 is an abundant number, since it is smaller than the sum of its proper divisors (21977572700).

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

15320040100 is a wasteful number, since it uses less digits than its factorization.

15320040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562 (or 7555 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 15320040100 its reverse (104002351), we get a palindrome (15424042451).

The spelling of 15320040100 in words is "fifteen billion, three hundred twenty million, forty thousand, one hundred".