40155156222 has 16 divisors (see below), whose sum is σ = 82019043072. Its totient is φ = 13100263640.

The previous prime is 40155156203. The next prime is 40155156227. The reversal of 40155156222 is 22265155104.

It is a super-2 number, since 2×40155156222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155156227) 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, 71196804 + ... + 71197367.

It is an arithmetic number, because the mean of its divisors is an integer number (5126190192).

Almost surely, 2^40155156222 is an apocalyptic number.

40155156222 is an abundant number, since it is smaller than the sum of its proper divisors (41863886850).

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

40155156222 is a wasteful number, since it uses less digits than its factorization.

40155156222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142394223.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 40155156222 in words is "forty billion, one hundred fifty-five million, one hundred fifty-six thousand, two hundred twenty-two".