40774438 has 4 divisors (see below), whose sum is σ = 61161660. Its totient is φ = 20387218.

The previous prime is 40774403. The next prime is 40774451. The reversal of 40774438 is 83447704.

It is a happy number.

40774438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40774397 and 40774406.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10193608 + ... + 10193611.

It is an arithmetic number, because the mean of its divisors is an integer number (15290415).

Almost surely, 2^40774438 is an apocalyptic number.

40774438 is a deficient number, since it is larger than the sum of its proper divisors (20387222).

40774438 is a wasteful number, since it uses less digits than its factorization.

40774438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20387221.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 40774438 is about 6385.4865123967. The cubic root of 40774438 is about 344.1882138861.

It can be divided in two parts, 4077 and 4438, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 40774438 in words is "forty million, seven hundred seventy-four thousand, four hundred thirty-eight".