40503085 has 24 divisors (see below), whose sum is σ = 56654208. Its totient is φ = 27230400.

The previous prime is 40503083. The next prime is 40503097. The reversal of 40503085 is 58030504.

It is a happy number.

It is not a de Polignac number, because 40503085 - 2¹ = 40503083 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 (40503083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130080 + ... + 130390.

It is an arithmetic number, because the mean of its divisors is an integer number (2360592).

Almost surely, 2^40503085 is an apocalyptic number.

It is an amenable number.

40503085 is a deficient number, since it is larger than the sum of its proper divisors (16151123).

40503085 is an equidigital number, since it uses as much as digits as its factorization.

40503085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40503085 is about 6364.2034065545. The cubic root of 40503085 is about 343.4229921580.

Adding to 40503085 its reverse (58030504), we get a palindrome (98533589).

The spelling of 40503085 in words is "forty million, five hundred three thousand, eighty-five".