40851771385008 has 40 divisors (see below), whose sum is σ = 105548306047488. Its totient is φ = 13615377992512.

The previous prime is 40851771384997. The next prime is 40851771385091. The reversal of 40851771385008 is 80058317715804.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58371516 + ... + 59067227.

Almost surely, 2^{40851771385008} is an apocalyptic number.

40851771385008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40851771385008 is an abundant number, since it is smaller than the sum of its proper divisors (64696534662480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40851771385008 is a wasteful number, since it uses less digits than its factorization.

40851771385008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117446001 (or 117445995 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 40851771385008 in words is "forty trillion, eight hundred fifty-one billion, seven hundred seventy-one million, three hundred eighty-five thousand, eight".