40135206015168 has 56 divisors (see below), whose sum is σ = 115844799186240. Its totient is φ = 12162183640320.

The previous prime is 40135206015167. The next prime is 40135206015193. The reversal of 40135206015168 is 86151060253104.

It is a super-2 number, since 2×40135206015168² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40135206015161) 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, 9501703858 + ... + 9501708081.

Almost surely, 2^{40135206015168} is an apocalyptic number.

40135206015168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40135206015168 is an abundant number, since it is smaller than the sum of its proper divisors (75709593171072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40135206015168 is a wasteful number, since it uses less digits than its factorization.

40135206015168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003411965 (or 19003411955 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 40135206015168 in words is "forty trillion, one hundred thirty-five billion, two hundred six million, fifteen thousand, one hundred sixty-eight".