1158498432 has 384 divisors, whose sum is σ = 4214770560. Its totient is φ = 297271296.

The previous prime is 1158498421. The next prime is 1158498443. The reversal of 1158498432 is 2348948511.

1158498432 is a `hidden beast` number, since 1 + 158 + 498 + 4 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1158498421) and next prime (1158498443).

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4507648 + ... + 4507904.

It is an arithmetic number, because the mean of its divisors is an integer number (10975965).

Almost surely, 2^1158498432 is an apocalyptic number.

1158498432 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 1158498432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107385280).

1158498432 is an abundant number, since it is smaller than the sum of its proper divisors (3056272128).

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

1158498432 is a wasteful number, since it uses less digits than its factorization.

1158498432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 325 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1158498432 is about 34036.7218162972. The cubic root of 1158498432 is about 1050.2640098028.

The spelling of 1158498432 in words is "one billion, one hundred fifty-eight million, four hundred ninety-eight thousand, four hundred thirty-two".