745254600667240 has 16 divisors (see below), whose sum is σ = 1676822851501380. Its totient is φ = 298101840266880.

The previous prime is 745254600667193. The next prime is 745254600667261. The reversal of 745254600667240 is 42766006452547.

It can be written as a sum of positive squares in 2 ways, for example, as 742102264334916 + 3152336332324 = 27241554^2 + 1775482^2 .

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, 9315682508301 + ... + 9315682508380.

Almost surely, 2^{745254600667240} is an apocalyptic number.

It is an amenable number.

745254600667240 is an abundant number, since it is smaller than the sum of its proper divisors (931568250834140).

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

745254600667240 is a wasteful number, since it uses less digits than its factorization.

745254600667240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18631365016692 (or 18631365016688 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 58.

The spelling of 745254600667240 in words is "seven hundred forty-five trillion, two hundred fifty-four billion, six hundred million, six hundred sixty-seven thousand, two hundred forty".