40260660140212 has 6 divisors (see below), whose sum is σ = 70456155245378. Its totient is φ = 20130330070104.

The previous prime is 40260660140201. The next prime is 40260660140237. The reversal of 40260660140212 is 21204106606204.

It can be written as a sum of positive squares in only one way, i.e., 24507984906916 + 15752675233296 = 4950554^2 + 3968964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032582517523 + ... + 5032582517530.

Almost surely, 2^{40260660140212} is an apocalyptic number.

It is an amenable number.

40260660140212 is a deficient number, since it is larger than the sum of its proper divisors (30195495105166).

40260660140212 is a wasteful number, since it uses less digits than its factorization.

40260660140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065165035057 (or 10065165035055 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 40260660140212 its reverse (21204106606204), we get a palindrome (61464766746416).

The spelling of 40260660140212 in words is "forty trillion, two hundred sixty billion, six hundred sixty million, one hundred forty thousand, two hundred twelve".