1244650452 has 24 divisors (see below), whose sum is σ = 2913652896. Its totient is φ = 413530848.

The previous prime is 1244650439. The next prime is 1244650457. The reversal of 1244650452 is 2540564421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244650457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165243 + ... + 172610.

It is an arithmetic number, because the mean of its divisors is an integer number (121402204).

Almost surely, 2^1244650452 is an apocalyptic number.

1244650452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244650452 is an abundant number, since it is smaller than the sum of its proper divisors (1669002444).

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

1244650452 is a wasteful number, since it uses less digits than its factorization.

1244650452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338167 (or 338165 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 1244650452 is about 35279.6039093412. The cubic root of 1244650452 is about 1075.6784473769.

The spelling of 1244650452 in words is "one billion, two hundred forty-four million, six hundred fifty thousand, four hundred fifty-two".