245402030320 has 80 divisors (see below), whose sum is σ = 572668034400. Its totient is φ = 97798579200.

The previous prime is 245402030317. The next prime is 245402030329. The reversal of 245402030320 is 23030204542.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245402030329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42742650 + ... + 42748390.

It is an arithmetic number, because the mean of its divisors is an integer number (7158350430).

Almost surely, 2^245402030320 is an apocalyptic number.

245402030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245402030320 is an abundant number, since it is smaller than the sum of its proper divisors (327266004080).

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

245402030320 is a wasteful number, since it uses less digits than its factorization.

245402030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 7628 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 245402030320 its reverse (23030204542), we get a palindrome (268432234862).

The spelling of 245402030320 in words is "two hundred forty-five billion, four hundred two million, thirty thousand, three hundred twenty".