245625052240 has 40 divisors (see below), whose sum is σ = 571207377888. Its totient is φ = 98227804800.

The previous prime is 245625052219. The next prime is 245625052249. The reversal of 245625052240 is 42250526542.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245625052240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245625052249) 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, 11179 + ... + 700981.

Almost surely, 2^245625052240 is an apocalyptic number.

245625052240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245625052240 is an abundant number, since it is smaller than the sum of its proper divisors (325582325648).

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

245625052240 is a wasteful number, since it uses less digits than its factorization.

245625052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694267 (or 694261 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 245625052240 its reverse (42250526542), we get a palindrome (287875578782).

The spelling of 245625052240 in words is "two hundred forty-five billion, six hundred twenty-five million, fifty-two thousand, two hundred forty".