40278476 has 12 divisors (see below), whose sum is σ = 80557008. Its totient is φ = 17262192.

The previous prime is 40278467. The next prime is 40278479. The reversal of 40278476 is 67487204.

40278476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40278476 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (40278479) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 719231 + ... + 719286.

It is an arithmetic number, because the mean of its divisors is an integer number (6713084).

Almost surely, 2^40278476 is an apocalyptic number.

It is an amenable number.

40278476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40278476 is a wasteful number, since it uses less digits than its factorization.

40278476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438528 (or 1438526 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 40278476 is about 6346.5325966231. The cubic root of 40278476 is about 342.7870001020.

The spelling of 40278476 in words is "forty million, two hundred seventy-eight thousand, four hundred seventy-six".