14401921512 has 64 divisors (see below), whose sum is σ = 39291998400. Its totient is φ = 4362659840.

The previous prime is 14401921489. The next prime is 14401921519. The reversal of 14401921512 is 21512910441.

It is a super-2 number, since 2×14401921512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14401921512.

It is not an unprimeable number, because it can be changed into a prime (14401921519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886648 + ... + 902744.

It is an arithmetic number, because the mean of its divisors is an integer number (613937475).

Almost surely, 2^14401921512 is an apocalyptic number.

14401921512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14401921512 is an abundant number, since it is smaller than the sum of its proper divisors (24890076888).

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

14401921512 is a wasteful number, since it uses less digits than its factorization.

14401921512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19506 (or 19502 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 14401921512 in words is "fourteen billion, four hundred one million, nine hundred twenty-one thousand, five hundred twelve".