40163632145208 has 256 divisors, whose sum is σ = 131119469107200. Its totient is φ = 11230353216000.

The previous prime is 40163632145149. The next prime is 40163632145237. The reversal of 40163632145208 is 80254123636104.

40163632145208 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 3 + 632 + 1 + 4 + 5 + 2 + 0 + 8 = 666.

It is a super-2 number, since 2×40163632145208² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82258438 + ... + 82745258.

It is an arithmetic number, because the mean of its divisors is an integer number (512185426200).

Almost surely, 2^{40163632145208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40163632145208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65559734553600).

40163632145208 is an abundant number, since it is smaller than the sum of its proper divisors (90955836961992).

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

40163632145208 is a wasteful number, since it uses less digits than its factorization.

40163632145208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489531 (or 489521 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 40163632145208 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty-two million, one hundred forty-five thousand, two hundred eight".