14245123440 has 80 divisors (see below), whose sum is σ = 44175485088. Its totient is φ = 3797357568.

The previous prime is 14245123423. The next prime is 14245123447. The reversal of 14245123440 is 4432154241.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 14245123398 and 14245123407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14245123447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800722 + ... + 818318.

Almost surely, 2^14245123440 is an apocalyptic number.

14245123440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14245123440 is an abundant number, since it is smaller than the sum of its proper divisors (29930361648).

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

14245123440 is a wasteful number, since it uses less digits than its factorization.

14245123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20986 (or 20980 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 14245123440 its reverse (4432154241), we get a palindrome (18677277681).

The spelling of 14245123440 in words is "fourteen billion, two hundred forty-five million, one hundred twenty-three thousand, four hundred forty".