40106965832 has 8 divisors (see below), whose sum is σ = 75200560950. Its totient is φ = 20053482912.

The previous prime is 40106965831. The next prime is 40106965889. The reversal of 40106965832 is 23856960104.

It can be written as a sum of positive squares in only one way, i.e., 39019681156 + 1087284676 = 197534^2 + 32974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40106965831) 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 as a sum of consecutive naturals, namely, 2506685357 + ... + 2506685372.

Almost surely, 2^40106965832 is an apocalyptic number.

It is an amenable number.

40106965832 is a deficient number, since it is larger than the sum of its proper divisors (35093595118).

40106965832 is a wasteful number, since it uses less digits than its factorization.

40106965832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013370735 (or 5013370731 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 40106965832 in words is "forty billion, one hundred six million, nine hundred sixty-five thousand, eight hundred thirty-two".