40934978 has 8 divisors (see below), whose sum is σ = 70174272. Its totient is φ = 17543556.

The previous prime is 40934977. The next prime is 40934983. The reversal of 40934978 is 87943904.

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

It is not an unprimeable number, because it can be changed into a prime (40934977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461950 + ... + 1461977.

It is an arithmetic number, because the mean of its divisors is an integer number (8771784).

Almost surely, 2^40934978 is an apocalyptic number.

40934978 is a deficient number, since it is larger than the sum of its proper divisors (29239294).

40934978 is a wasteful number, since it uses less digits than its factorization.

40934978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923936.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 40934978 is about 6398.0448576108. The cubic root of 40934978 is about 344.6393430537.

The spelling of 40934978 in words is "forty million, nine hundred thirty-four thousand, nine hundred seventy-eight".