40828593 has 16 divisors (see below), whose sum is σ = 58746240. Its totient is φ = 25073664.

The previous prime is 40828591. The next prime is 40828597. The reversal of 40828593 is 39582804.

It is a happy number.

It is not a de Polignac number, because 40828593 - 2¹ = 40828591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40828591) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28273 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (3671640).

Almost surely, 2^40828593 is an apocalyptic number.

It is an amenable number.

40828593 is a deficient number, since it is larger than the sum of its proper divisors (17917647).

40828593 is a wasteful number, since it uses less digits than its factorization.

40828593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 40828593 is about 6389.7255809620. The cubic root of 40828593 is about 344.3405255437.

The spelling of 40828593 in words is "forty million, eight hundred twenty-eight thousand, five hundred ninety-three".