1158803490 has 64 divisors (see below), whose sum is σ = 2998550016. Its totient is φ = 284911872.

The previous prime is 1158803479. The next prime is 1158803531. The reversal of 1158803490 is 943088511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 616432 + ... + 618308.

It is an arithmetic number, because the mean of its divisors is an integer number (46852344).

Almost surely, 2^1158803490 is an apocalyptic number.

1158803490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158803490 is an abundant number, since it is smaller than the sum of its proper divisors (1839746526).

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

1158803490 is a wasteful number, since it uses less digits than its factorization.

1158803490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1158803490 is about 34041.2028283373. The cubic root of 1158803490 is about 1050.3561875482.

The spelling of 1158803490 in words is "one billion, one hundred fifty-eight million, eight hundred three thousand, four hundred ninety".