245302252240 has 40 divisors (see below), whose sum is σ = 571559632128. Its totient is φ = 97908961920.

The previous prime is 245302252213. The next prime is 245302252243. The reversal of 245302252240 is 42252203542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245302252243) 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, 3274276 + ... + 3348355.

Almost surely, 2^245302252240 is an apocalyptic number.

245302252240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245302252240 is an abundant number, since it is smaller than the sum of its proper divisors (326257379888).

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

245302252240 is a wasteful number, since it uses less digits than its factorization.

245302252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623107 (or 6623101 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 245302252240 its reverse (42252203542), we get a palindrome (287554455782).

The spelling of 245302252240 in words is "two hundred forty-five billion, three hundred two million, two hundred fifty-two thousand, two hundred forty".