40055205543412 has 6 divisors (see below), whose sum is σ = 70096609700978. Its totient is φ = 20027602771704.

The previous prime is 40055205543407. The next prime is 40055205543433. The reversal of 40055205543412 is 21434550255004.

It can be written as a sum of positive squares in only one way, i.e., 39886879147236 + 168326396176 = 6315606^2 + 410276^2 .

It is a super-2 number, since 2×40055205543412² (a number of 28 digits) contains 22 as substring.

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, 5006900692923 + ... + 5006900692930.

Almost surely, 2^{40055205543412} is an apocalyptic number.

It is an amenable number.

40055205543412 is a deficient number, since it is larger than the sum of its proper divisors (30041404157566).

40055205543412 is a wasteful number, since it uses less digits than its factorization.

40055205543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013801385857 (or 10013801385855 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 40055205543412 its reverse (21434550255004), we get a palindrome (61489755798416).

The spelling of 40055205543412 in words is "forty trillion, fifty-five billion, two hundred five million, five hundred forty-three thousand, four hundred twelve".