40260503 has 2 divisors, whose sum is σ = 40260504. Its totient is φ = 40260502.

The previous prime is 40260469. The next prime is 40260547. The reversal of 40260503 is 30506204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40260503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40260553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20130251 + 20130252.

It is an arithmetic number, because the mean of its divisors is an integer number (20130252).

Almost surely, 2^40260503 is an apocalyptic number.

40260503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40260503 is an equidigital number, since it uses as much as digits as its factorization.

40260503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40260503 is about 6345.1164685922. The cubic root of 40260503 is about 342.7360065528.

Adding to 40260503 its reverse (30506204), we get a palindrome (70766707).

The spelling of 40260503 in words is "forty million, two hundred sixty thousand, five hundred three".