40076509 has 8 divisors (see below), whose sum is σ = 43777152. Its totient is φ = 36385440.

The previous prime is 40076503. The next prime is 40076527. The reversal of 40076509 is 90567004.

40076509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40076509 - 2¹⁵ = 40043741 is a prime.

It is a super-2 number, since 2×40076509² = 3212253147254162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40076503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8572 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (5472144).

Almost surely, 2^40076509 is an apocalyptic number.

It is an amenable number.

40076509 is a deficient number, since it is larger than the sum of its proper divisors (3700643).

40076509 is a wasteful number, since it uses less digits than its factorization.

40076509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 40076509 is about 6330.6009983255. The cubic root of 40076509 is about 342.2130980440.

The spelling of 40076509 in words is "forty million, seventy-six thousand, five hundred nine".