245043444000 has 96 divisors (see below), whose sum is σ = 802762361856. Its totient is φ = 65344915200.

The previous prime is 245043443969. The next prime is 245043444001. The reversal of 245043444000 is 444340542.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×245043444000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (245043444001) 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, 10198144 + ... + 10222143.

It is an arithmetic number, because the mean of its divisors is an integer number (8362107936).

Almost surely, 2^245043444000 is an apocalyptic number.

245043444000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245043444000 is an abundant number, since it is smaller than the sum of its proper divisors (557718917856).

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

245043444000 is a wasteful number, since it uses less digits than its factorization.

245043444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20420315 (or 20420297 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 245043444000 its reverse (444340542), we get a palindrome (245487784542).

The spelling of 245043444000 in words is "two hundred forty-five billion, forty-three million, four hundred forty-four thousand".