40999803831639 has 48 divisors (see below), whose sum is σ = 66824080607232. Its totient is φ = 24083322303744.

The previous prime is 40999803831559. The next prime is 40999803831647. The reversal of 40999803831639 is 93613830899904.

40999803831639 is a `hidden beast` number, since 4 + 0 + 9 + 9 + 9 + 80 + 383 + 163 + 9 = 666.

It is not a de Polignac number, because 40999803831639 - 2⁹ = 40999803831127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40999803831839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123781219 + ... + 124112004.

It is an arithmetic number, because the mean of its divisors is an integer number (1392168345984).

Almost surely, 2^{40999803831639} is an apocalyptic number.

40999803831639 is a deficient number, since it is larger than the sum of its proper divisors (25824276775593).

40999803831639 is a wasteful number, since it uses less digits than its factorization.

40999803831639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247893316 (or 247893313 counting only the distinct ones).

The product of its (nonzero) digits is 272097792, while the sum is 72.

The spelling of 40999803831639 in words is "forty trillion, nine hundred ninety-nine billion, eight hundred three million, eight hundred thirty-one thousand, six hundred thirty-nine".