4140478 has 4 divisors (see below), whose sum is σ = 6210720. Its totient is φ = 2070238.

The previous prime is 4140473. The next prime is 4140481. The reversal of 4140478 is 8740414.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035118 + ... + 1035121.

It is an arithmetic number, because the mean of its divisors is an integer number (1552680).

Almost surely, 2^4140478 is an apocalyptic number.

4140478 is a deficient number, since it is larger than the sum of its proper divisors (2070242).

4140478 is a wasteful number, since it uses less digits than its factorization.

4140478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070241.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 4140478 is about 2034.8164536390. The cubic root of 4140478 is about 160.5770569063.

The spelling of 4140478 in words is "four million, one hundred forty thousand, four hundred seventy-eight".