40786013158381 has 8 divisors (see below), whose sum is σ = 41780894715000. Its totient is φ = 39791136399360.

The previous prime is 40786013158343. The next prime is 40786013158393. The reversal of 40786013158381 is 18385131068704.

It can be written as a sum of positive squares in 4 ways, for example, as 2235201413481 + 38550811744900 = 1495059^2 + 6208930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40786013158381 - 2²³ = 40786004769773 is a prime.

It is a super-2 number, since 2×40786013158381² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40786013158301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20930455 + ... + 22795963.

It is an arithmetic number, because the mean of its divisors is an integer number (5222611839375).

Almost surely, 2^{40786013158381} is an apocalyptic number.

40786013158381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40786013158381 is a deficient number, since it is larger than the sum of its proper divisors (994881556619).

40786013158381 is a wasteful number, since it uses less digits than its factorization.

40786013158381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398799.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 40786013158381 in words is "forty trillion, seven hundred eighty-six billion, thirteen million, one hundred fifty-eight thousand, three hundred eighty-one".