1306252264450 has 24 divisors (see below), whose sum is σ = 2776719100032. Its totient is φ = 447857919120.

The previous prime is 1306252264417. The next prime is 1306252264459. The reversal of 1306252264450 is 544622526031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1306252264459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866074314 + ... + 1866075013.

It is an arithmetic number, because the mean of its divisors is an integer number (115696629168).

Almost surely, 2^{1306252264450} is an apocalyptic number.

1306252264450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306252264450 is an abundant number, since it is smaller than the sum of its proper divisors (1470466835582).

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

1306252264450 is a wasteful number, since it uses less digits than its factorization.

1306252264450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732149346 (or 3732149341 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 1306252264450 in words is "one trillion, three hundred six billion, two hundred fifty-two million, two hundred sixty-four thousand, four hundred fifty".