245660919740 has 24 divisors (see below), whose sum is σ = 515987188080. Its totient is φ = 98245461888.

The previous prime is 245660919737. The next prime is 245660919743. The reversal of 245660919740 is 47919066542.

It is an interprime number because it is at equal distance from previous prime (245660919737) and next prime (245660919743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245660919743) 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, 1074842 + ... + 1283201.

It is an arithmetic number, because the mean of its divisors is an integer number (21499466170).

Almost surely, 2^245660919740 is an apocalyptic number.

245660919740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245660919740 is an abundant number, since it is smaller than the sum of its proper divisors (270326268340).

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

245660919740 is a wasteful number, since it uses less digits than its factorization.

245660919740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363261 (or 2363259 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 245660919740 in words is "two hundred forty-five billion, six hundred sixty million, nine hundred nineteen thousand, seven hundred forty".