40513039 has 8 divisors (see below), whose sum is σ = 47552288. Its totient is φ = 33786720.

The previous prime is 40513027. The next prime is 40513061. The reversal of 40513039 is 93031504.

40513039 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 40513039 - 2⁵ = 40513007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513639) 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, 77952 + ... + 78469.

It is an arithmetic number, because the mean of its divisors is an integer number (5944036).

Almost surely, 2^40513039 is an apocalyptic number.

40513039 is a deficient number, since it is larger than the sum of its proper divisors (7039249).

40513039 is a wasteful number, since it uses less digits than its factorization.

40513039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156465.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 40513039 is about 6364.9853888285. The cubic root of 40513039 is about 343.4511229573.

The spelling of 40513039 in words is "forty million, five hundred thirteen thousand, thirty-nine".