1158949260 has 144 divisors (see below), whose sum is σ = 4147433472. Its totient is φ = 256348800.

The previous prime is 1158949247. The next prime is 1158949273. The reversal of 1158949260 is 629498511.

1158949260 is a `hidden beast` number, since 1 + 1 + 589 + 4 + 9 + 2 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (1158949247) and next prime (1158949273).

It is a super-4 number, since 4×1158949260⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 24225 + ... + 53895.

Almost surely, 2^1158949260 is an apocalyptic number.

1158949260 is a gapful number since it is divisible by the number (10) 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 1158949260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073716736).

1158949260 is an abundant number, since it is smaller than the sum of its proper divisors (2988484212).

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

1158949260 is a wasteful number, since it uses less digits than its factorization.

1158949260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29724 (or 29719 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1158949260 is about 34043.3438428131. The cubic root of 1158949260 is about 1050.4002283780.

The spelling of 1158949260 in words is "one billion, one hundred fifty-eight million, nine hundred forty-nine thousand, two hundred sixty".