14465640 has 128 divisors (see below), whose sum is σ = 52565760. Its totient is φ = 3108864.

The previous prime is 14465639. The next prime is 14465641. The reversal of 14465640 is 4656441.

It is an interprime number because it is at equal distance from previous prime (14465639) and next prime (14465641).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 = 14465598 and 14465607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14465641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13774 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (410670).

Almost surely, 2^14465640 is an apocalyptic number.

14465640 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 14465640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26282880).

14465640 is an abundant number, since it is smaller than the sum of its proper divisors (38100120).

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

14465640 is a wasteful number, since it uses less digits than its factorization.

14465640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 14465640 is about 3803.3721879406. The cubic root of 14465640 is about 243.6571822804.

The spelling of 14465640 in words is "fourteen million, four hundred sixty-five thousand, six hundred forty".