1245422240240 has 40 divisors (see below), whose sum is σ = 3048007065360. Its totient is φ = 471949479936.

The previous prime is 1245422240177. The next prime is 1245422240267. The reversal of 1245422240240 is 420422245421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1245422240197 and 1245422240206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409676849 + ... + 409679888.

It is an arithmetic number, because the mean of its divisors is an integer number (76200176634).

Almost surely, 2^{1245422240240} is an apocalyptic number.

1245422240240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245422240240 is an abundant number, since it is smaller than the sum of its proper divisors (1802584825120).

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

1245422240240 is a wasteful number, since it uses less digits than its factorization.

1245422240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819356769 (or 819356763 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 1245422240240 its reverse (420422245421), we get a palindrome (1665844485661).

The spelling of 1245422240240 in words is "one trillion, two hundred forty-five billion, four hundred twenty-two million, two hundred forty thousand, two hundred forty".