40031655441 has 8 divisors (see below), whose sum is σ = 53377696224. Its totient is φ = 26686692480.

The previous prime is 40031655439. The next prime is 40031655449. The reversal of 40031655441 is 14455613004.

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

It is not a de Polignac number, because 40031655441 - 2¹ = 40031655439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40031655449) 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, 178395 + ... + 334496.

It is an arithmetic number, because the mean of its divisors is an integer number (6672212028).

Almost surely, 2^40031655441 is an apocalyptic number.

It is an amenable number.

40031655441 is a deficient number, since it is larger than the sum of its proper divisors (13346040783).

40031655441 is a wasteful number, since it uses less digits than its factorization.

40031655441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538911.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 40031655441 in words is "forty billion, thirty-one million, six hundred fifty-five thousand, four hundred forty-one".