1157624448 has 32 divisors (see below), whose sum is σ = 3074940960. Its totient is φ = 385874688.

The previous prime is 1157624441. The next prime is 1157624453. The reversal of 1157624448 is 8444267511.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1157624441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506940 + ... + 1507707.

It is an arithmetic number, because the mean of its divisors is an integer number (96091905).

Almost surely, 2^1157624448 is an apocalyptic number.

It is an amenable number.

1157624448 is an abundant number, since it is smaller than the sum of its proper divisors (1917316512).

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

1157624448 is an equidigital number, since it uses as much as digits as its factorization.

1157624448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014664 (or 3014652 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 1157624448 is about 34023.8805546928. The cubic root of 1157624448 is about 1049.9998331065. Note that the first 3 decimals are identical.

The spelling of 1157624448 in words is "one billion, one hundred fifty-seven million, six hundred twenty-four thousand, four hundred forty-eight".