40544029698 has 8 divisors (see below), whose sum is σ = 81088059408. Its totient is φ = 13514676564.

The previous prime is 40544029609. The next prime is 40544029709. The reversal of 40544029698 is 89692044504.

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

40544029698 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40544029698.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378669136 + ... + 3378669147.

It is an arithmetic number, because the mean of its divisors is an integer number (10136007426).

Almost surely, 2^40544029698 is an apocalyptic number.

40544029698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40544029698 is a wasteful number, since it uses less digits than its factorization.

40544029698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757338288.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 40544029698 in words is "forty billion, five hundred forty-four million, twenty-nine thousand, six hundred ninety-eight".