1253522424320 has 40 divisors (see below), whose sum is σ = 3005515881324. Its totient is φ = 501408968704.

The previous prime is 1253522424299. The next prime is 1253522424337. The reversal of 1253522424320 is 234242253521.

It can be written as a sum of positive squares in 2 ways, for example, as 1249780900096 + 3741524224 = 1117936^2 + 61168^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 244826039 + ... + 244831158.

Almost surely, 2^{1253522424320} is an apocalyptic number.

1253522424320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253522424320 is an abundant number, since it is smaller than the sum of its proper divisors (1751993457004).

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

1253522424320 is an frugal number, since it uses more digits than its factorization.

1253522424320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489657220 (or 489657204 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1253522424320 its reverse (234242253521), we get a palindrome (1487764677841).

The spelling of 1253522424320 in words is "one trillion, two hundred fifty-three billion, five hundred twenty-two million, four hundred twenty-four thousand, three hundred twenty".