40180212187265 has 16 divisors (see below), whose sum is σ = 48568803793488. Its totient is φ = 31909142823936.

The previous prime is 40180212187153. The next prime is 40180212187301. The reversal of 40180212187265 is 56278121208104.

It can be written as a sum of positive squares in 8 ways, for example, as 3789590275969 + 36390621911296 = 1946687^2 + 6032464^2 .

It is a cyclic number.

It is not a de Polignac number, because 40180212187265 - 2¹⁰ = 40180212186241 is a prime.

It is a super-2 number, since 2×40180212187265² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62476079 + ... + 63115931.

It is an arithmetic number, because the mean of its divisors is an integer number (3035550237093).

Almost surely, 2^{40180212187265} is an apocalyptic number.

It is an amenable number.

40180212187265 is a deficient number, since it is larger than the sum of its proper divisors (8388591606223).

40180212187265 is a wasteful number, since it uses less digits than its factorization.

40180212187265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731668.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 40180212187265 in words is "forty trillion, one hundred eighty billion, two hundred twelve million, one hundred eighty-seven thousand, two hundred sixty-five".