11552234440 has 32 divisors (see below), whose sum is σ = 26010720000. Its totient is φ = 4617659584.

The previous prime is 11552234437. The next prime is 11552234467. The reversal of 11552234440 is 4443225511.

It is a super-2 number, since 2×11552234440² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42790 + ... + 157909.

It is an arithmetic number, because the mean of its divisors is an integer number (812835000).

Almost surely, 2^11552234440 is an apocalyptic number.

11552234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11552234440 is an abundant number, since it is smaller than the sum of its proper divisors (14458485560).

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

11552234440 is a wasteful number, since it uses less digits than its factorization.

11552234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202149 (or 202145 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 11552234440 its reverse (4443225511), we get a palindrome (15995459951).

The spelling of 11552234440 in words is "eleven billion, five hundred fifty-two million, two hundred thirty-four thousand, four hundred forty".