1240544452 has 12 divisors (see below), whose sum is σ = 2481088960. Its totient is φ = 531661896.

The previous prime is 1240544441. The next prime is 1240544467. The reversal of 1240544452 is 2544450421.

1240544452 is an admirable 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, 22152552 + ... + 22152607.

Almost surely, 2^1240544452 is an apocalyptic number.

It is an amenable number.

1240544452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240544452 is a wasteful number, since it uses less digits than its factorization.

1240544452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44305170 (or 44305168 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1240544452 is about 35221.3635738312. The cubic root of 1240544452 is about 1074.4942858759.

Adding to 1240544452 its reverse (2544450421), we get a palindrome (3784994873).

It can be divided in two parts, 1240544 and 452, that added together give a square (1240996 = 1114²).

The spelling of 1240544452 in words is "one billion, two hundred forty million, five hundred forty-four thousand, four hundred fifty-two".