40134806378756 has 12 divisors (see below), whose sum is σ = 70268901272220. Its totient is φ = 20057977443840.

The previous prime is 40134806378753. The next prime is 40134806378897. The reversal of 40134806378756 is 65787360843104.

It can be written as a sum of positive squares in 2 ways, for example, as 22207034204356 + 17927772174400 = 4712434^2 + 4234120^2 .

It is a super-2 number, since 2×40134806378756² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40134806378753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356426805 + ... + 2356443836.

It is an arithmetic number, because the mean of its divisors is an integer number (5855741772685).

Almost surely, 2^{40134806378756} is an apocalyptic number.

It is an amenable number.

40134806378756 is a deficient number, since it is larger than the sum of its proper divisors (30134094893464).

40134806378756 is a wasteful number, since it uses less digits than its factorization.

40134806378756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712872774 (or 4712872772 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 40134806378756 in words is "forty trillion, one hundred thirty-four billion, eight hundred six million, three hundred seventy-eight thousand, seven hundred fifty-six".