40078275 has 24 divisors (see below), whose sum is σ = 66863280. Its totient is φ = 21181440.

The previous prime is 40078267. The next prime is 40078309. The reversal of 40078275 is 57287004.

40078275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40078275 - 2³ = 40078267 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6111 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (2785970).

Almost surely, 2^40078275 is an apocalyptic number.

40078275 is a deficient number, since it is larger than the sum of its proper divisors (26785005).

40078275 is a wasteful number, since it uses less digits than its factorization.

40078275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 40078275 is about 6330.7404780168. The cubic root of 40078275 is about 342.2181245917.

The spelling of 40078275 in words is "forty million, seventy-eight thousand, two hundred seventy-five".