1158669240 has 32 divisors (see below), whose sum is σ = 3476008080. Its totient is φ = 308978432.

The previous prime is 1158669233. The next prime is 1158669287. The reversal of 1158669240 is 429668511.

It is a junction number, because it is equal to n+sod(n) for n = 1158669192 and 1158669201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827669 + ... + 4827908.

Almost surely, 2^1158669240 is an apocalyptic number.

1158669240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158669240 is an abundant number, since it is smaller than the sum of its proper divisors (2317338840).

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

1158669240 is a wasteful number, since it uses less digits than its factorization.

1158669240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655591 (or 9655587 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1158669240 is about 34039.2308961292. The cubic root of 1158669240 is about 1050.3156239366.

The spelling of 1158669240 in words is "one billion, one hundred fifty-eight million, six hundred sixty-nine thousand, two hundred forty".