15443450848 has 48 divisors (see below), whose sum is σ = 35085173760. Its totient is φ = 6554353536.

The previous prime is 15443450839. The next prime is 15443450849. The reversal of 15443450848 is 84805434451.

It is a junction number, because it is equal to n+sod(n) for n = 15443450798 and 15443450807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15443450849) 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, 311608 + ... + 357751.

It is an arithmetic number, because the mean of its divisors is an integer number (730941120).

Almost surely, 2^15443450848 is an apocalyptic number.

It is an amenable number.

15443450848 is an abundant number, since it is smaller than the sum of its proper divisors (19641722912).

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

15443450848 is a wasteful number, since it uses less digits than its factorization.

15443450848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669479 (or 669471 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 46.

The spelling of 15443450848 in words is "fifteen billion, four hundred forty-three million, four hundred fifty thousand, eight hundred forty-eight".