40278482 has 8 divisors (see below), whose sum is σ = 61891452. Its totient is φ = 19648000.

The previous prime is 40278479. The next prime is 40278493. The reversal of 40278482 is 28487204.

40278482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 978121 = 6269^2 + 989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40278482² = 3244712224448648, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 245519 + ... + 245682.

Almost surely, 2^40278482 is an apocalyptic number.

40278482 is a deficient number, since it is larger than the sum of its proper divisors (21612970).

40278482 is a wasteful number, since it uses less digits than its factorization.

40278482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491244.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 40278482 is about 6346.5330693222. The cubic root of 40278482 is about 342.7870171229.

The spelling of 40278482 in words is "forty million, two hundred seventy-eight thousand, four hundred eighty-two".