40092005 has 8 divisors (see below), whose sum is σ = 48155424. Its totient is φ = 32043600.

The previous prime is 40091999. The next prime is 40092023. The reversal of 40092005 is 50029004.

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

It is not a de Polignac number, because 40092005 - 2¹⁴ = 40075621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 9560.

It is an arithmetic number, because the mean of its divisors is an integer number (6019428).

Almost surely, 2^40092005 is an apocalyptic number.

It is an amenable number.

40092005 is a deficient number, since it is larger than the sum of its proper divisors (8063419).

40092005 is a wasteful number, since it uses less digits than its factorization.

40092005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40092005 is about 6331.8247764764. The cubic root of 40092005 is about 342.2571991144.

It can be divided in two parts, 4009 and 2005, that multiplied together give a triangular number (8038045 = T₄₀₀₉).

The spelling of 40092005 in words is "forty million, ninety-two thousand, five".