40152015 has 12 divisors (see below), whose sum is σ = 69596904. Its totient is φ = 21414384.

The previous prime is 40152001. The next prime is 40152041. The reversal of 40152015 is 51025104.

It is not a de Polignac number, because 40152015 - 2⁸ = 40151759 is a prime.

It is a super-2 number, since 2×40152015² = 3224368617120450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446089 + ... + 446178.

It is an arithmetic number, because the mean of its divisors is an integer number (5799742).

Almost surely, 2^40152015 is an apocalyptic number.

40152015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40152015 is a deficient number, since it is larger than the sum of its proper divisors (29444889).

40152015 is a wasteful number, since it uses less digits than its factorization.

40152015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892278 (or 892275 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 40152015 is about 6336.5617648690. The cubic root of 40152015 is about 342.4278783265.

Adding to 40152015 its reverse (51025104), we get a palindrome (91177119).

The spelling of 40152015 in words is "forty million, one hundred fifty-two thousand, fifteen".