14700440 has 32 divisors (see below), whose sum is σ = 33642000. Its totient is φ = 5779584.

The previous prime is 14700431. The next prime is 14700443. The reversal of 14700440 is 4400741.

It is a super-2 number, since 2×14700440² = 432205872387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14700443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755 + ... + 5474.

Almost surely, 2^14700440 is an apocalyptic number.

14700440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14700440 is an abundant number, since it is smaller than the sum of its proper divisors (18941560).

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

14700440 is a wasteful number, since it uses less digits than its factorization.

14700440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299 (or 6295 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 14700440 is about 3834.1152825652. The cubic root of 14700440 is about 244.9684257520.

The spelling of 14700440 in words is "fourteen million, seven hundred thousand, four hundred forty".