1158498264 has 128 divisors (see below), whose sum is σ = 3735590400. Its totient is φ = 290519040.

The previous prime is 1158498259. The next prime is 1158498307. The reversal of 1158498264 is 4628948511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42784 + ... + 64400.

It is an arithmetic number, because the mean of its divisors is an integer number (29184300).

Almost surely, 2^1158498264 is an apocalyptic number.

1158498264 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 1158498264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867795200).

1158498264 is an abundant number, since it is smaller than the sum of its proper divisors (2577092136).

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

1158498264 is a wasteful number, since it uses less digits than its factorization.

1158498264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21673 (or 21669 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 1158498264 is about 34036.7193483743. The cubic root of 1158498264 is about 1050.2639590347.

The spelling of 1158498264 in words is "one billion, one hundred fifty-eight million, four hundred ninety-eight thousand, two hundred sixty-four".