40657603834 has 32 divisors (see below), whose sum is σ = 65870804160. Its totient is φ = 18758044800.

The previous prime is 40657603807. The next prime is 40657603837. The reversal of 40657603834 is 43830675604.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40657603837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933769 + ... + 976339.

It is an arithmetic number, because the mean of its divisors is an integer number (2058462630).

Almost surely, 2^40657603834 is an apocalyptic number.

40657603834 is a deficient number, since it is larger than the sum of its proper divisors (25213200326).

40657603834 is a wasteful number, since it uses less digits than its factorization.

40657603834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43246.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 40657603834 in words is "forty billion, six hundred fifty-seven million, six hundred three thousand, eight hundred thirty-four".