40781689113 has 24 divisors (see below), whose sum is σ = 63283991904. Its totient is φ = 23262279040.

The previous prime is 40781689057. The next prime is 40781689139. The reversal of 40781689113 is 31198618704.

It is not a de Polignac number, because 40781689113 - 2⁶ = 40781689049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40781689153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3298131 + ... + 3310472.

It is an arithmetic number, because the mean of its divisors is an integer number (2636832996).

Almost surely, 2^40781689113 is an apocalyptic number.

It is an amenable number.

40781689113 is a deficient number, since it is larger than the sum of its proper divisors (22502302791).

40781689113 is a wasteful number, since it uses less digits than its factorization.

40781689113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608645 (or 6608634 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 40781689113 in words is "forty billion, seven hundred eighty-one million, six hundred eighty-nine thousand, one hundred thirteen".