40657634830 has 32 divisors (see below), whose sum is σ = 75508161120. Its totient is φ = 15752225280.

The previous prime is 40657634821. The next prime is 40657634833. The reversal of 40657634830 is 3843675604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40657634833) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 299719 + ... + 413698.

It is an arithmetic number, because the mean of its divisors is an integer number (2359630035).

Almost surely, 2^40657634830 is an apocalyptic number.

40657634830 is a deficient number, since it is larger than the sum of its proper divisors (34850526290).

40657634830 is a wasteful number, since it uses less digits than its factorization.

40657634830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713604.

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

The spelling of 40657634830 in words is "forty billion, six hundred fifty-seven million, six hundred thirty-four thousand, eight hundred thirty".