40285078 has 8 divisors (see below), whose sum is σ = 60679080. Its totient is φ = 20058720.

The previous prime is 40285061. The next prime is 40285081. The reversal of 40285078 is 87058204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41308 + ... + 42271.

It is an arithmetic number, because the mean of its divisors is an integer number (7584885).

Almost surely, 2^40285078 is an apocalyptic number.

40285078 is a deficient number, since it is larger than the sum of its proper divisors (20394002).

40285078 is a wasteful number, since it uses less digits than its factorization.

40285078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83822.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 40285078 is about 6347.0527018452. The cubic root of 40285078 is about 342.8057276903.

The spelling of 40285078 in words is "forty million, two hundred eighty-five thousand, seventy-eight".