1156240332 has 120 divisors (see below), whose sum is σ = 3273092592. Its totient is φ = 353808000.

The previous prime is 1156240321. The next prime is 1156240339. The reversal of 1156240332 is 2330426511.

1156240332 is a `hidden beast` number, since 1 + 1 + 5 + 624 + 0 + 3 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1156240296 and 1156240305.

It is not an unprimeable number, because it can be changed into a prime (1156240339) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 888082 + ... + 889382.

Almost surely, 2^1156240332 is an apocalyptic number.

1156240332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156240332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636546296).

1156240332 is an abundant number, since it is smaller than the sum of its proper divisors (2116852260).

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

1156240332 is a wasteful number, since it uses less digits than its factorization.

1156240332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1156240332 is about 34003.5341104421. The cubic root of 1156240332 is about 1049.5811880734.

Adding to 1156240332 its reverse (2330426511), we get a palindrome (3486666843).

The spelling of 1156240332 in words is "one billion, one hundred fifty-six million, two hundred forty thousand, three hundred thirty-two".