40672038 has 16 divisors (see below), whose sum is σ = 88739136. Its totient is φ = 12324840.

The previous prime is 40671979. The next prime is 40672039. The reversal of 40672038 is 83027604.

40672038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40671996 and 40672014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40672039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 308056 + ... + 308187.

It is an arithmetic number, because the mean of its divisors is an integer number (5546196).

Almost surely, 2^40672038 is an apocalyptic number.

40672038 is an abundant number, since it is smaller than the sum of its proper divisors (48067098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40672038 is a wasteful number, since it uses less digits than its factorization.

40672038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616259.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40672038 is about 6377.4632888006. The cubic root of 40672038 is about 343.8998435209.

It can be divided in two parts, 4067 and 2038, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 40672038 in words is "forty million, six hundred seventy-two thousand, thirty-eight".