1252522324240 has 80 divisors (see below), whose sum is σ = 3177285944256. Its totient is φ = 455400460800.

The previous prime is 1252522324223. The next prime is 1252522324241. The reversal of 1252522324240 is 424232252521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1252522324196 and 1252522324205.

It is not an unprimeable number, because it can be changed into a prime (1252522324241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6613099 + ... + 6799861.

Almost surely, 2^{1252522324240} is an apocalyptic number.

1252522324240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252522324240 is an abundant number, since it is smaller than the sum of its proper divisors (1924763620016).

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

1252522324240 is a wasteful number, since it uses less digits than its factorization.

1252522324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194408 (or 194402 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 1252522324240 its reverse (424232252521), we get a palindrome (1676754576761).

The spelling of 1252522324240 in words is "one trillion, two hundred fifty-two billion, five hundred twenty-two million, three hundred twenty-four thousand, two hundred forty".