40851437001381 has 12 divisors (see below), whose sum is σ = 59591865198060. Its totient is φ = 26964644884800.

The previous prime is 40851437001379. The next prime is 40851437001421. The reversal of 40851437001381 is 18310073415804.

40851437001381 is a `hidden beast` number, since 4 + 0 + 85 + 1 + 437 + 0 + 0 + 138 + 1 = 666.

40851437001381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40065671765025 + 785765236356 = 6329745^2 + 886434^2 .

It is not a de Polignac number, because 40851437001381 - 2¹ = 40851437001379 is a prime.

It is a super-2 number, since 2×40851437001381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851437001311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22470536496 + ... + 22470538313.

It is an arithmetic number, because the mean of its divisors is an integer number (4965988766505).

Almost surely, 2^{40851437001381} is an apocalyptic number.

It is an amenable number.

40851437001381 is a deficient number, since it is larger than the sum of its proper divisors (18740428196679).

40851437001381 is a wasteful number, since it uses less digits than its factorization.

40851437001381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44941074916 (or 44941074913 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 40851437001381 in words is "forty trillion, eight hundred fifty-one billion, four hundred thirty-seven million, one thousand, three hundred eighty-one".