745298449480 has 32 divisors (see below), whose sum is σ = 1805915475000. Its totient is φ = 275187119616.

The previous prime is 745298449417. The next prime is 745298449481. The reversal of 745298449480 is 84944892547.

It can be written as a sum of positive squares in 4 ways, for example, as 675351952804 + 69946496676 = 821798^2 + 264474^2 .

It is a super-2 number, since 2×745298449480² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745298449481) 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, 716632605 + ... + 716633644.

Almost surely, 2^745298449480 is an apocalyptic number.

It is an amenable number.

745298449480 is an abundant number, since it is smaller than the sum of its proper divisors (1060617025520).

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

745298449480 is a wasteful number, since it uses less digits than its factorization.

745298449480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433266273 (or 1433266269 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 745298449480 in words is "seven hundred forty-five billion, two hundred ninety-eight million, four hundred forty-nine thousand, four hundred eighty".