40939874 has 4 divisors (see below), whose sum is σ = 61409814. Its totient is φ = 20469936.

The previous prime is 40939841. The next prime is 40939907. The reversal of 40939874 is 47893904.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40939841) and next prime (40939907).

It can be written as a sum of positive squares in only one way, i.e., 28015849 + 12924025 = 5293^2 + 3595^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10234967 + ... + 10234970.

Almost surely, 2^40939874 is an apocalyptic number.

40939874 is a deficient number, since it is larger than the sum of its proper divisors (20469940).

40939874 is a wasteful number, since it uses less digits than its factorization.

40939874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20469939.

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

The square root of 40939874 is about 6398.4274630568. The cubic root of 40939874 is about 344.6530826235.

The spelling of 40939874 in words is "forty million, nine hundred thirty-nine thousand, eight hundred seventy-four".