245023324440040 has 16 divisors (see below), whose sum is σ = 551302479990180. Its totient is φ = 98009329776000.

The previous prime is 245023324439981. The next prime is 245023324440079. The reversal of 245023324440040 is 40044423320542.

It can be written as a sum of positive squares in 2 ways, for example, as 244929824254756 + 93500185284 = 15650234^2 + 305778^2 .

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, 3062791555461 + ... + 3062791555540.

Almost surely, 2^{245023324440040} is an apocalyptic number.

245023324440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245023324440040 is an abundant number, since it is smaller than the sum of its proper divisors (306279155550140).

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

245023324440040 is a wasteful number, since it uses less digits than its factorization.

245023324440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125583111012 (or 6125583111008 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 245023324440040 its reverse (40044423320542), we get a palindrome (285067747760582).

The spelling of 245023324440040 in words is "two hundred forty-five trillion, twenty-three billion, three hundred twenty-four million, four hundred forty thousand, forty".