40081787109375 has 120 divisors (see below), whose sum is σ = 73242187497600. Its totient is φ = 19335937500000.

The previous prime is 40081787109323. The next prime is 40081787109379. The reversal of 40081787109375 is 57390178718004.

It is a trimorphic number since its cube, 64393381367835900164209306240081787109375, ends in 40081787109375.

It is not a de Polignac number, because 40081787109375 - 2²¹ = 40081785012223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40081787109379) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 201416015526 + ... + 201416015724.

It is an arithmetic number, because the mean of its divisors is an integer number (610351562480).

Almost surely, 2^{40081787109375} is an apocalyptic number.

40081787109375 is a deficient number, since it is larger than the sum of its proper divisors (33160400388225).

40081787109375 is an frugal number, since it uses more digits than its factorization.

40081787109375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 60.

The spelling of 40081787109375 in words is "forty trillion, eighty-one billion, seven hundred eighty-seven million, one hundred nine thousand, three hundred seventy-five".