1115032340 has 12 divisors (see below), whose sum is σ = 2341567956. Its totient is φ = 446012928.

The previous prime is 1115032319. The next prime is 1115032367. The reversal of 1115032340 is 432305111.

It can be written as a sum of positive squares in 2 ways, for example, as 171191056 + 943841284 = 13084^2 + 30722^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 55751617 = 1115032340 / (1 + 1 + 1 + 5 + 0 + 3 + 2 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27875789 + ... + 27875828.

It is an arithmetic number, because the mean of its divisors is an integer number (195130663).

Almost surely, 2^1115032340 is an apocalyptic number.

1115032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115032340 is an abundant number, since it is smaller than the sum of its proper divisors (1226535616).

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

1115032340 is a wasteful number, since it uses less digits than its factorization.

1115032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55751626 (or 55751624 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1115032340 is about 33392.0999639136. The cubic root of 1115032340 is about 1036.9611551340.

Adding to 1115032340 its reverse (432305111), we get a palindrome (1547337451).

The spelling of 1115032340 in words is "one billion, one hundred fifteen million, thirty-two thousand, three hundred forty".