40540440215122 has 16 divisors (see below), whose sum is σ = 61290822822912. Its totient is φ = 20110172911920.

The previous prime is 40540440215113. The next prime is 40540440215123. The reversal of 40540440215122 is 22151204404504.

It is a super-2 number, since 2×40540440215122² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40540440215123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10068888 + ... + 13507900.

It is an arithmetic number, because the mean of its divisors is an integer number (3830676426432).

Almost surely, 2^{40540440215122} is an apocalyptic number.

40540440215122 is a deficient number, since it is larger than the sum of its proper divisors (20750382607790).

40540440215122 is a wasteful number, since it uses less digits than its factorization.

40540440215122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485553.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 40540440215122 its reverse (22151204404504), we get a palindrome (62691644619626).

The spelling of 40540440215122 in words is "forty trillion, five hundred forty billion, four hundred forty million, two hundred fifteen thousand, one hundred twenty-two".