1158924420 has 72 divisors (see below), whose sum is σ = 3518640216. Its totient is φ = 308762112.

The previous prime is 1158924413. The next prime is 1158924439. The reversal of 1158924420 is 244298511.

1158924420 is a `hidden beast` number, since 11 + 589 + 2 + 44 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 670602816 + 488321604 = 25896^2 + 22098^2 .

It is a super-2 number, since 2×1158924420² = 2686211622544672800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255694 + ... + 260186.

It is an arithmetic number, because the mean of its divisors is an integer number (48870003).

Almost surely, 2^1158924420 is an apocalyptic number.

1158924420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158924420 is an abundant number, since it is smaller than the sum of its proper divisors (2359715796).

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

1158924420 is a wasteful number, since it uses less digits than its factorization.

1158924420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5936 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1158924420 is about 34042.9790118315. The cubic root of 1158924420 is about 1050.3927238424.

The spelling of 1158924420 in words is "one billion, one hundred fifty-eight million, nine hundred twenty-four thousand, four hundred twenty".