14406439872 has 56 divisors (see below), whose sum is σ = 41582230272. Its totient is φ = 4365587200.

The previous prime is 14406439871. The next prime is 14406439889. The reversal of 14406439872 is 27893460441.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14406439871) 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, 3408504 + ... + 3412727.

Almost surely, 2^14406439872 is an apocalyptic number.

14406439872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14406439872 is an abundant number, since it is smaller than the sum of its proper divisors (27175790400).

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

14406439872 is a wasteful number, since it uses less digits than its factorization.

14406439872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821257 (or 6821247 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 14406439872 in words is "fourteen billion, four hundred six million, four hundred thirty-nine thousand, eight hundred seventy-two".