3157446448 has 80 divisors (see below), whose sum is σ = 7342967520. Its totient is φ = 1299345408.

The previous prime is 3157446421. The next prime is 3157446493. The reversal of 3157446448 is 8446447513.

3157446448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3157446398 and 3157446407.

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, 43686 + ... + 90682.

It is an arithmetic number, because the mean of its divisors is an integer number (91787094).

Almost surely, 2^3157446448 is an apocalyptic number.

3157446448 is a gapful number since it is divisible by the number (38) 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 3157446448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3671483760).

3157446448 is an abundant number, since it is smaller than the sum of its proper divisors (4185521072).

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

3157446448 is a wasteful number, since it uses less digits than its factorization.

3157446448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47054 (or 47048 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 3157446448 is about 56191.1598741297. The cubic root of 3157446448 is about 1467.0514032910.

The spelling of 3157446448 in words is "three billion, one hundred fifty-seven million, four hundred forty-six thousand, four hundred forty-eight".