1259792448 has 56 divisors (see below), whose sum is σ = 3344009568. Its totient is φ = 418569216.

The previous prime is 1259792441. The next prime is 1259792483. The reversal of 1259792448 is 8442979521.

It is a self number, because there is not a number n which added to its sum of digits gives 1259792448.

It is not an unprimeable number, because it can be changed into a prime (1259792441) 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, 49615 + ... + 70577.

Almost surely, 2^1259792448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1259792448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672004784).

1259792448 is an abundant number, since it is smaller than the sum of its proper divisors (2084217120).

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

1259792448 is a wasteful number, since it uses less digits than its factorization.

1259792448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291 (or 21281 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 1259792448 is about 35493.5550205949. Note that the first 3 decimals coincide. The cubic root of 1259792448 is about 1080.0229899084.

The spelling of 1259792448 in words is "one billion, two hundred fifty-nine million, seven hundred ninety-two thousand, four hundred forty-eight".