14445031540 has 24 divisors (see below), whose sum is σ = 30433388832. Its totient is φ = 5759189280.

The previous prime is 14445031519. The next prime is 14445031543. The reversal of 14445031540 is 4513054441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445031543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170166 + ... + 1182445.

It is an arithmetic number, because the mean of its divisors is an integer number (1268057868).

Almost surely, 2^14445031540 is an apocalyptic number.

14445031540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14445031540 is an abundant number, since it is smaller than the sum of its proper divisors (15988357292).

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

14445031540 is a wasteful number, since it uses less digits than its factorization.

14445031540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352927 (or 2352925 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 14445031540 its reverse (4513054441), we get a palindrome (18958085981).

The spelling of 14445031540 in words is "fourteen billion, four hundred forty-five million, thirty-one thousand, five hundred forty".