40956503 has 6 divisors (see below), whose sum is σ = 47643336. Its totient is φ = 35105532.

The previous prime is 40956493. The next prime is 40956527. The reversal of 40956503 is 30565904.

It is a happy number.

It is not a de Polignac number, because 40956503 - 2²⁰ = 39907927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40956503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40956203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417875 + ... + 417972.

It is an arithmetic number, because the mean of its divisors is an integer number (7940556).

Almost surely, 2^40956503 is an apocalyptic number.

40956503 is a deficient number, since it is larger than the sum of its proper divisors (6686833).

40956503 is an equidigital number, since it uses as much as digits as its factorization.

40956503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835861 (or 835854 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 40956503 is about 6399.7267910435. The cubic root of 40956503 is about 344.6997401544.

The spelling of 40956503 in words is "forty million, nine hundred fifty-six thousand, five hundred three".