15240378038 has 16 divisors (see below), whose sum is σ = 23814510720. Its totient is φ = 7306718400.

The previous prime is 15240378037. The next prime is 15240378047. The reversal of 15240378038 is 83087304251.

It is a junction number, because it is equal to n+sod(n) for n = 15240377986 and 15240378004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240378037) 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, 1120823 + ... + 1134338.

It is an arithmetic number, because the mean of its divisors is an integer number (1488406920).

Almost surely, 2^15240378038 is an apocalyptic number.

15240378038 is a deficient number, since it is larger than the sum of its proper divisors (8574132682).

15240378038 is a wasteful number, since it uses less digits than its factorization.

15240378038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255303.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 15240378038 in words is "fifteen billion, two hundred forty million, three hundred seventy-eight thousand, thirty-eight".