1157799244 has 48 divisors (see below), whose sum is σ = 2403072000. Its totient is φ = 487755408.

The previous prime is 1157799239. The next prime is 1157799271. The reversal of 1157799244 is 4429977511.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 73797 + ... + 88099.

It is an arithmetic number, because the mean of its divisors is an integer number (50064000).

Almost surely, 2^1157799244 is an apocalyptic number.

1157799244 is a gapful number since it is divisible by the number (14) 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 1157799244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201536000).

1157799244 is an abundant number, since it is smaller than the sum of its proper divisors (1245272756).

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

1157799244 is a wasteful number, since it uses less digits than its factorization.

1157799244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387 (or 14371 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 1157799244 is about 34026.4491829518. The cubic root of 1157799244 is about 1050.0526788385.

The spelling of 1157799244 in words is "one billion, one hundred fifty-seven million, seven hundred ninety-nine thousand, two hundred forty-four".