40426503 has 16 divisors (see below), whose sum is σ = 58183776. Its totient is φ = 24819840.

The previous prime is 40426499. The next prime is 40426517. The reversal of 40426503 is 30562404.

It is not a de Polignac number, because 40426503 - 2² = 40426499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40426523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20793 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (3636486).

Almost surely, 2^40426503 is an apocalyptic number.

40426503 is a deficient number, since it is larger than the sum of its proper divisors (17757273).

40426503 is a wasteful number, since it uses less digits than its factorization.

40426503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40426503 is about 6358.1839388303. The cubic root of 40426503 is about 343.2064110196.

Adding to 40426503 its reverse (30562404), we get a palindrome (70988907).

The spelling of 40426503 in words is "forty million, four hundred twenty-six thousand, five hundred three".