14146440 has 128 divisors (see below), whose sum is σ = 52945920. Its totient is φ = 2937600.

The previous prime is 14146439. The next prime is 14146453. The reversal of 14146440 is 4464141.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14146440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8475 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (413640).

Almost surely, 2^14146440 is an apocalyptic number.

14146440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14146440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26472960).

14146440 is an abundant number, since it is smaller than the sum of its proper divisors (38799480).

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

14146440 is a wasteful number, since it uses less digits than its factorization.

14146440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 14146440 is about 3761.1753482123. The cubic root of 14146440 is about 241.8516496231.

The spelling of 14146440 in words is "fourteen million, one hundred forty-six thousand, four hundred forty".