40335042649 has 8 divisors (see below), whose sum is σ = 44003319840. Its totient is φ = 36667008000.

The previous prime is 40335042613. The next prime is 40335042697. The reversal of 40335042649 is 94624053304.

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 40335042649 - 2²³ = 40326654041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40335042949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601782 + ... + 665440.

It is an arithmetic number, because the mean of its divisors is an integer number (5500414980).

Almost surely, 2^40335042649 is an apocalyptic number.

It is an amenable number.

40335042649 is a deficient number, since it is larger than the sum of its proper divisors (3668277191).

40335042649 is a wasteful number, since it uses less digits than its factorization.

40335042649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121271.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 40335042649 in words is "forty billion, three hundred thirty-five million, forty-two thousand, six hundred forty-nine".