40014215 has 4 divisors (see below), whose sum is σ = 48017064. Its totient is φ = 32011368.

The previous prime is 40014203. The next prime is 40014239. The reversal of 40014215 is 51241004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40014215 - 2⁴ = 40014199 is a prime.

It is a super-2 number, since 2×40014215² = 3202274804132450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40014193 and 40014202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001417 + ... + 4001426.

It is an arithmetic number, because the mean of its divisors is an integer number (12004266).

Almost surely, 2^40014215 is an apocalyptic number.

40014215 is a deficient number, since it is larger than the sum of its proper divisors (8002849).

40014215 is an equidigital number, since it uses as much as digits as its factorization.

40014215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002848.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40014215 is about 6325.6790149359. The cubic root of 40014215 is about 342.0356967174.

Adding to 40014215 its reverse (51241004), we get a palindrome (91255219).

The spelling of 40014215 in words is "forty million, fourteen thousand, two hundred fifteen".