40749038 has 16 divisors (see below), whose sum is σ = 67596336. Its totient is φ = 18267840.

The previous prime is 40749001. The next prime is 40749061. The reversal of 40749038 is 83094704.

It is a junction number, because it is equal to n+sod(n) for n = 40748989 and 40749007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11081 + ... + 14292.

It is an arithmetic number, because the mean of its divisors is an integer number (4224771).

Almost surely, 2^40749038 is an apocalyptic number.

40749038 is a deficient number, since it is larger than the sum of its proper divisors (26847298).

40749038 is a wasteful number, since it uses less digits than its factorization.

40749038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25459.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40749038 is about 6383.4973173019. The cubic root of 40749038 is about 344.1167295852.

The spelling of 40749038 in words is "forty million, seven hundred forty-nine thousand, thirty-eight".