40503359 has 4 divisors (see below), whose sum is σ = 43619016. Its totient is φ = 37387704.

The previous prime is 40503347. The next prime is 40503361. The reversal of 40503359 is 95330504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40503359 - 2²⁰ = 39454783 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 (40503319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557809 + ... + 1557834.

It is an arithmetic number, because the mean of its divisors is an integer number (10904754).

Almost surely, 2^40503359 is an apocalyptic number.

40503359 is a deficient number, since it is larger than the sum of its proper divisors (3115657).

40503359 is a wasteful number, since it uses less digits than its factorization.

40503359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115656.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 40503359 is about 6364.2249331714. The cubic root of 40503359 is about 343.4237665656.

The spelling of 40503359 in words is "forty million, five hundred three thousand, three hundred fifty-nine".