40039055 has 16 divisors (see below), whose sum is σ = 55064640. Its totient is φ = 27378432.

The previous prime is 40039049. The next prime is 40039093. The reversal of 40039055 is 55093004.

It is a cyclic number.

It is not a de Polignac number, because 40039055 - 2⁴ = 40039039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12917 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (3441540).

Almost surely, 2^40039055 is an apocalyptic number.

40039055 is a deficient number, since it is larger than the sum of its proper divisors (15025585).

40039055 is a wasteful number, since it uses less digits than its factorization.

40039055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 40039055 is about 6327.6421358986. The cubic root of 40039055 is about 342.1064583141.

The spelling of 40039055 in words is "forty million, thirty-nine thousand, fifty-five".