1366252250 has 64 divisors (see below), whose sum is σ = 2818333440. Its totient is φ = 491800000.

The previous prime is 1366252213. The next prime is 1366252253. The reversal of 1366252250 is 522526631.

It is not an unprimeable number, because it can be changed into a prime (1366252253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275291 + ... + 280209.

It is an arithmetic number, because the mean of its divisors is an integer number (44036460).

Almost surely, 2^1366252250 is an apocalyptic number.

1366252250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366252250 is an abundant number, since it is smaller than the sum of its proper divisors (1452081190).

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

1366252250 is a wasteful number, since it uses less digits than its factorization.

1366252250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1366252250 is about 36962.8495925301. The cubic root of 1366252250 is about 1109.6268664396.

Adding to 1366252250 its reverse (522526631), we get a palindrome (1888778881).

The spelling of 1366252250 in words is "one billion, three hundred sixty-six million, two hundred fifty-two thousand, two hundred fifty".