40500015 has 16 divisors (see below), whose sum is σ = 66552288. Its totient is φ = 21015936.

The previous prime is 40500011. The next prime is 40500049. The reversal of 40500015 is 51000504.

It is not a de Polignac number, because 40500015 - 2² = 40500011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 40499967 and 40500003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40500011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35932 + ... + 37041.

It is an arithmetic number, because the mean of its divisors is an integer number (4159518).

Almost surely, 2^40500015 is an apocalyptic number.

40500015 is a deficient number, since it is larger than the sum of its proper divisors (26052273).

40500015 is a wasteful number, since it uses less digits than its factorization.

40500015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73018.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 40500015 is about 6363.9622091901. The cubic root of 40500015 is about 343.4143151628.

Adding to 40500015 its reverse (51000504), we get a palindrome (91500519).

The spelling of 40500015 in words is "forty million, five hundred thousand, fifteen".