14040378 has 40 divisors (see below), whose sum is σ = 34325280. Its totient is φ = 4254120.

The previous prime is 14040371. The next prime is 14040391. The reversal of 14040378 is 87304041.

It is a super-4 number, since 4×14040378⁴ (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14040371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2158 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (858132).

Almost surely, 2^14040378 is an apocalyptic number.

14040378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14040378 is an abundant number, since it is smaller than the sum of its proper divisors (20284902).

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

14040378 is a wasteful number, since it uses less digits than its factorization.

14040378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 14040378 is about 3747.0492390680. The cubic root of 14040378 is about 241.2457105021.

The spelling of 14040378 in words is "fourteen million, forty thousand, three hundred seventy-eight".