14402040 has 32 divisors (see below), whose sum is σ = 43206480. Its totient is φ = 3840512.

The previous prime is 14402027. The next prime is 14402041. The reversal of 14402040 is 4020441.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14402041) 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, 59889 + ... + 60128.

Almost surely, 2^14402040 is an apocalyptic number.

14402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14402040 is an abundant number, since it is smaller than the sum of its proper divisors (28804440).

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

14402040 is a wasteful number, since it uses less digits than its factorization.

14402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120031 (or 120027 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 14402040 is about 3795.0019762841. The cubic root of 14402040 is about 243.2995678842.

Subtracting from 14402040 its sum of digits (15), we obtain a square (14402025 = 3795²).

Adding to 14402040 its reverse (4020441), we get a palindrome (18422481).

The spelling of 14402040 in words is "fourteen million, four hundred two thousand, forty".