40053839 has 8 divisors (see below), whose sum is σ = 45939840. Its totient is φ = 34208856.

The previous prime is 40053809. The next prime is 40053841. The reversal of 40053839 is 93835004.

40053839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40053839 - 2⁸ = 40053583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053809) 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, 8129 + ... + 12090.

It is an arithmetic number, because the mean of its divisors is an integer number (5742480).

Almost surely, 2^40053839 is an apocalyptic number.

40053839 is a deficient number, since it is larger than the sum of its proper divisors (5886001).

40053839 is a wasteful number, since it uses less digits than its factorization.

40053839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20509.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 40053839 is about 6328.8102357394. The cubic root of 40053839 is about 342.1485595367.

The spelling of 40053839 in words is "forty million, fifty-three thousand, eight hundred thirty-nine".