1156340460 has 48 divisors (see below), whose sum is σ = 3532096512. Its totient is φ = 280324800.

The previous prime is 1156340453. The next prime is 1156340473. The reversal of 1156340460 is 640436511.

1156340460 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875356 + ... + 876675.

It is an arithmetic number, because the mean of its divisors is an integer number (73585344).

Almost surely, 2^1156340460 is an apocalyptic number.

1156340460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156340460 is an abundant number, since it is smaller than the sum of its proper divisors (2375756052).

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

1156340460 is a wasteful number, since it uses less digits than its factorization.

1156340460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752054 (or 1752052 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1156340460 is about 34005.0063961176. The cubic root of 1156340460 is about 1049.6114843791.

Adding to 1156340460 its reverse (640436511), we get a palindrome (1796776971).

The spelling of 1156340460 in words is "one billion, one hundred fifty-six million, three hundred forty thousand, four hundred sixty".