40535793 has 6 divisors (see below), whose sum is σ = 58551714. Its totient is φ = 27023856.

The previous prime is 40535783. The next prime is 40535809. The reversal of 40535793 is 39753504.

40535793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 2934369 = 6132^2 + 1713^2 .

It is not a de Polignac number, because 40535793 - 2⁴ = 40535777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40535783) 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 5 ways as a sum of consecutive naturals, for example, 2251980 + ... + 2251997.

It is an arithmetic number, because the mean of its divisors is an integer number (9758619).

Almost surely, 2^40535793 is an apocalyptic number.

It is an amenable number.

40535793 is a deficient number, since it is larger than the sum of its proper divisors (18015921).

40535793 is a wasteful number, since it uses less digits than its factorization.

40535793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503983 (or 4503980 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 40535793 is about 6366.7725732902. The cubic root of 40535793 is about 343.5154102784.

It can be divided in two parts, 405357 and 93, that added together give a triangular number (405450 = T₉₀₀).

The spelling of 40535793 in words is "forty million, five hundred thirty-five thousand, seven hundred ninety-three".