40035423409 has 8 divisors (see below), whose sum is σ = 41790096000. Its totient is φ = 38281917696.

The previous prime is 40035423403. The next prime is 40035423443. The reversal of 40035423409 is 90432453004.

It is a happy number.

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 40035423409 - 2⁵ = 40035423377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40035423403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221232 + ... + 359185.

It is an arithmetic number, because the mean of its divisors is an integer number (5223762000).

Almost surely, 2^40035423409 is an apocalyptic number.

It is an amenable number.

40035423409 is a deficient number, since it is larger than the sum of its proper divisors (1754672591).

40035423409 is a wasteful number, since it uses less digits than its factorization.

40035423409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583439.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 40035423409 in words is "forty billion, thirty-five million, four hundred twenty-three thousand, four hundred nine".