40831099649 has 8 divisors (see below), whose sum is σ = 40975152000. Its totient is φ = 40687297200.

The previous prime is 40831099627. The next prime is 40831099663. The reversal of 40831099649 is 94699013804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40831099649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40831099649.

It is not an unprimeable number, because it can be changed into a prime (40831099609) 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, 267944 + ... + 391734.

It is an arithmetic number, because the mean of its divisors is an integer number (5121894000).

Almost surely, 2^40831099649 is an apocalyptic number.

It is an amenable number.

40831099649 is a deficient number, since it is larger than the sum of its proper divisors (144052351).

40831099649 is a wasteful number, since it uses less digits than its factorization.

40831099649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124951.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 40831099649 in words is "forty billion, eight hundred thirty-one million, ninety-nine thousand, six hundred forty-nine".