40099681053 has 12 divisors (see below), whose sum is σ = 57931838848. Its totient is φ = 26728469640.

The previous prime is 40099681001. The next prime is 40099681087. The reversal of 40099681053 is 35018699004.

It is a happy number.

It is not a de Polignac number, because 40099681053 - 2⁹ = 40099680541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40099681093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332575 + ... + 436812.

Almost surely, 2^40099681053 is an apocalyptic number.

It is an amenable number.

40099681053 is a deficient number, since it is larger than the sum of its proper divisors (17832157795).

40099681053 is a wasteful number, since it uses less digits than its factorization.

40099681053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775184 (or 775181 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 40099681053 in words is "forty billion, ninety-nine million, six hundred eighty-one thousand, fifty-three".