245403004120 has 64 divisors (see below), whose sum is σ = 553834713600. Its totient is φ = 97863239040.

The previous prime is 245403004079. The next prime is 245403004123. The reversal of 245403004120 is 21400304542.

It is a happy number.

It is a super-2 number, since 2×245403004120² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245403004123) 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, 28734811 + ... + 28743349.

It is an arithmetic number, because the mean of its divisors is an integer number (8653667400).

Almost surely, 2^245403004120 is an apocalyptic number.

245403004120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245403004120 is an abundant number, since it is smaller than the sum of its proper divisors (308431709480).

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

245403004120 is a wasteful number, since it uses less digits than its factorization.

245403004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 10644 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 245403004120 its reverse (21400304542), we get a palindrome (266803308662).

The spelling of 245403004120 in words is "two hundred forty-five billion, four hundred three million, four thousand, one hundred twenty".