1158659408 has 40 divisors (see below), whose sum is σ = 2377520448. Its totient is φ = 545859072.

The previous prime is 1158659407. The next prime is 1158659413. The reversal of 1158659408 is 8049568511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158659401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 48152.

Almost surely, 2^1158659408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158659408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188760224).

1158659408 is an abundant number, since it is smaller than the sum of its proper divisors (1218861040).

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

1158659408 is a wasteful number, since it uses less digits than its factorization.

1158659408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47091 (or 47085 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 1158659408 is about 34039.0864742284. The cubic root of 1158659408 is about 1050.3126530766.

The spelling of 1158659408 in words is "one billion, one hundred fifty-eight million, six hundred fifty-nine thousand, four hundred eight".