15472720442 has 16 divisors (see below), whose sum is σ = 24941105280. Its totient is φ = 7172603328.

The previous prime is 15472720427. The next prime is 15472720447. The reversal of 15472720442 is 24402727451.

It is a junction number, because it is equal to n+sod(n) for n = 15472720396 and 15472720405.

It is not an unprimeable number, because it can be changed into a prime (15472720447) 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, 3393842 + ... + 3398397.

It is an arithmetic number, because the mean of its divisors is an integer number (1558819080).

Almost surely, 2^15472720442 is an apocalyptic number.

15472720442 is a deficient number, since it is larger than the sum of its proper divisors (9468384838).

15472720442 is a wasteful number, since it uses less digits than its factorization.

15472720442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792325.

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 15472720442 in words is "fifteen billion, four hundred seventy-two million, seven hundred twenty thousand, four hundred forty-two".