40166222139 has 16 divisors (see below), whose sum is σ = 59639856000. Its totient is φ = 26717027688.

The previous prime is 40166222113. The next prime is 40166222143. The reversal of 40166222139 is 93122266104.

It is a happy number.

40166222139 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 622 + 21 + 3 + 9 = 666.

It is not a de Polignac number, because 40166222139 - 2¹³ = 40166213947 is a prime.

It is a super-2 number, since 2×40166222139² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166222839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667089 + ... + 1691010.

It is an arithmetic number, because the mean of its divisors is an integer number (3727491000).

Almost surely, 2^40166222139 is an apocalyptic number.

40166222139 is a deficient number, since it is larger than the sum of its proper divisors (19473633861).

40166222139 is a wasteful number, since it uses less digits than its factorization.

40166222139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358551 (or 3358545 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

It can be divided in two parts, 401662 and 22139, that added together give a square (423801 = 651²).

The spelling of 40166222139 in words is "forty billion, one hundred sixty-six million, two hundred twenty-two thousand, one hundred thirty-nine".