1158346272 has 96 divisors (see below), whose sum is σ = 3306707712. Its totient is φ = 353562624.

The previous prime is 1158346247. The next prime is 1158346307. The reversal of 1158346272 is 2726438511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1158346272.

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, 50793 + ... + 69975.

It is an arithmetic number, because the mean of its divisors is an integer number (34444872).

Almost surely, 2^1158346272 is an apocalyptic number.

1158346272 is a gapful number since it is divisible by the number (12) 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 1158346272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653353856).

1158346272 is an abundant number, since it is smaller than the sum of its proper divisors (2148361440).

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

1158346272 is a wasteful number, since it uses less digits than its factorization.

1158346272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250 (or 19242 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 1158346272 is about 34034.4865100092. The cubic root of 1158346272 is about 1050.2180263803.

The spelling of 1158346272 in words is "one billion, one hundred fifty-eight million, three hundred forty-six thousand, two hundred seventy-two".