245444455320 has 32 divisors (see below), whose sum is σ = 736333366320. Its totient is φ = 65451854720.

The previous prime is 245444455309. The next prime is 245444455339. The reversal of 245444455320 is 23554444542.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1022685111 + ... + 1022685350.

Almost surely, 2^245444455320 is an apocalyptic number.

245444455320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245444455320 is an abundant number, since it is smaller than the sum of its proper divisors (490888911000).

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

245444455320 is a wasteful number, since it uses less digits than its factorization.

245444455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045370475 (or 2045370471 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 245444455320 its reverse (23554444542), we get a palindrome (268998899862).

The spelling of 245444455320 in words is "two hundred forty-five billion, four hundred forty-four million, four hundred fifty-five thousand, three hundred twenty".