40166042342426 has 384 divisors, whose sum is σ = 85428376330752. Its totient is φ = 13676864256000.

The previous prime is 40166042342423. The next prime is 40166042342473. The reversal of 40166042342426 is 62424324066104.

It is a super-2 number, since 2×40166042342426² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166042342423) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 60765570536 + ... + 60765571196.

It is an arithmetic number, because the mean of its divisors is an integer number (222469730028).

Almost surely, 2^{40166042342426} is an apocalyptic number.

40166042342426 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40166042342426 is an abundant number, since it is smaller than the sum of its proper divisors (45262333988326).

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

40166042342426 is a wasteful number, since it uses less digits than its factorization.

40166042342426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 40166042342426 in words is "forty trillion, one hundred sixty-six billion, forty-two million, three hundred forty-two thousand, four hundred twenty-six".