15248440642 has 32 divisors (see below), whose sum is σ = 24462673920. Its totient is φ = 7112763840.

The previous prime is 15248440607. The next prime is 15248440661. The reversal of 15248440642 is 24604484251.

It is a junction number, because it is equal to n+sod(n) for n = 15248440595 and 15248440604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210983 + ... + 1223509.

It is an arithmetic number, because the mean of its divisors is an integer number (764458560).

Almost surely, 2^15248440642 is an apocalyptic number.

15248440642 is a deficient number, since it is larger than the sum of its proper divisors (9214233278).

15248440642 is a wasteful number, since it uses less digits than its factorization.

15248440642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266.

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 15248440642 in words is "fifteen billion, two hundred forty-eight million, four hundred forty thousand, six hundred forty-two".