1158253340 has 24 divisors (see below), whose sum is σ = 2441124672. Its totient is φ = 461626560.

The previous prime is 1158253339. The next prime is 1158253391. The reversal of 1158253340 is 433528511.

It is a junction number, because it is equal to n+sod(n) for n = 1158253297 and 1158253306.

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, 98996 + ... + 110075.

It is an arithmetic number, because the mean of its divisors is an integer number (101713528).

Almost surely, 2^1158253340 is an apocalyptic number.

1158253340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158253340 is an abundant number, since it is smaller than the sum of its proper divisors (1282871332).

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

1158253340 is a wasteful number, since it uses less digits than its factorization.

1158253340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209357 (or 209355 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1158253340 is about 34033.1212203641. The cubic root of 1158253340 is about 1050.1899399395.

The spelling of 1158253340 in words is "one billion, one hundred fifty-eight million, two hundred fifty-three thousand, three hundred forty".