40152039 has 4 divisors (see below), whose sum is σ = 53536056. Its totient is φ = 26768024.

The previous prime is 40152001. The next prime is 40152041. The reversal of 40152039 is 93025104.

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 40152039 - 2⁷ = 40151911 is a prime.

It is a super-2 number, since 2×40152039² = 3224372471715042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6692004 + ... + 6692009.

It is an arithmetic number, because the mean of its divisors is an integer number (13384014).

Almost surely, 2^40152039 is an apocalyptic number.

40152039 is a deficient number, since it is larger than the sum of its proper divisors (13384017).

40152039 is a wasteful number, since it uses less digits than its factorization.

40152039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13384016.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40152039 is about 6336.5636586402. The cubic root of 40152039 is about 342.4279465527.

The spelling of 40152039 in words is "forty million, one hundred fifty-two thousand, thirty-nine".