40670643158 has 16 divisors (see below), whose sum is σ = 64834693920. Its totient is φ = 19067972736.

The previous prime is 40670643119. The next prime is 40670643193. The reversal of 40670643158 is 85134607604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214266 + ... + 2232557.

It is an arithmetic number, because the mean of its divisors is an integer number (4052168370).

Almost surely, 2^40670643158 is an apocalyptic number.

40670643158 is a deficient number, since it is larger than the sum of its proper divisors (24164050762).

40670643158 is a wasteful number, since it uses less digits than its factorization.

40670643158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447111.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 40670643158 in words is "forty billion, six hundred seventy million, six hundred forty-three thousand, one hundred fifty-eight".