1158479580 has 48 divisors (see below), whose sum is σ = 3292168320. Its totient is φ = 304315968.

The previous prime is 1158479561. The next prime is 1158479591. The reversal of 1158479580 is 859748511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140070 + ... + 148109.

It is an arithmetic number, because the mean of its divisors is an integer number (68586840).

Almost surely, 2^1158479580 is an apocalyptic number.

1158479580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158479580 is an abundant number, since it is smaller than the sum of its proper divisors (2133688740).

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

1158479580 is a wasteful number, since it uses less digits than its factorization.

1158479580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288258 (or 288256 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 48.

The square root of 1158479580 is about 34036.4448789823. Note that the first 3 decimals coincide. The cubic root of 1158479580 is about 1050.2583128639.

The spelling of 1158479580 in words is "one billion, one hundred fifty-eight million, four hundred seventy-nine thousand, five hundred eighty".