1115892240 has 80 divisors (see below), whose sum is σ = 3662765568. Its totient is φ = 280066048.

The previous prime is 1115892233. The next prime is 1115892241. The reversal of 1115892240 is 422985111.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1115892241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132672 + ... + 140831.

Almost surely, 2^1115892240 is an apocalyptic number.

1115892240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115892240 is an abundant number, since it is smaller than the sum of its proper divisors (2546873328).

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

1115892240 is a wasteful number, since it uses less digits than its factorization.

1115892240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273536 (or 273530 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1115892240 is about 33404.9732824321. The cubic root of 1115892240 is about 1037.2276507757.

The spelling of 1115892240 in words is "one billion, one hundred fifteen million, eight hundred ninety-two thousand, two hundred forty".