1155034340 has 12 divisors (see below), whose sum is σ = 2425572156. Its totient is φ = 462013728.

The previous prime is 1155034303. The next prime is 1155034423. The reversal of 1155034340 is 434305511.

It can be written as a sum of positive squares in 2 ways, for example, as 280294564 + 874739776 = 16742^2 + 29576^2 .

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, 28875839 + ... + 28875878.

It is an arithmetic number, because the mean of its divisors is an integer number (202131013).

Almost surely, 2^1155034340 is an apocalyptic number.

1155034340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155034340 is an abundant number, since it is smaller than the sum of its proper divisors (1270537816).

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

1155034340 is a wasteful number, since it uses less digits than its factorization.

1155034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57751726 (or 57751724 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1155034340 is about 33985.7961507451. The cubic root of 1155034340 is about 1049.2161466484.

Adding to 1155034340 its reverse (434305511), we get a palindrome (1589339851).

The spelling of 1155034340 in words is "one billion, one hundred fifty-five million, thirty-four thousand, three hundred forty".