40838652127 has 16 divisors (see below), whose sum is σ = 50321295360. Its totient is φ = 32274397152.

The previous prime is 40838652121. The next prime is 40838652131. The reversal of 40838652127 is 72125683804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40838652127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40838652121) 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, 181477 + ... + 338542.

It is an arithmetic number, because the mean of its divisors is an integer number (3145080960).

Almost surely, 2^40838652127 is an apocalyptic number.

40838652127 is a deficient number, since it is larger than the sum of its proper divisors (9482643233).

40838652127 is a wasteful number, since it uses less digits than its factorization.

40838652127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520902.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 40838652127 in words is "forty billion, eight hundred thirty-eight million, six hundred fifty-two thousand, one hundred twenty-seven".