40211323176420 has 144 divisors (see below), whose sum is σ = 133088981905152. Its totient is φ = 9746290552320.

The previous prime is 40211323176407. The next prime is 40211323176443. The reversal of 40211323176420 is 2467132311204.

40211323176420 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 1 + 3 + 2 + 3 + 1 + 7 + 642 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8137749 + ... + 12109731.

It is an arithmetic number, because the mean of its divisors is an integer number (924229041008).

Almost surely, 2^{40211323176420} 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 40211323176420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66544490952576).

40211323176420 is an abundant number, since it is smaller than the sum of its proper divisors (92877658728732).

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

40211323176420 is a wasteful number, since it uses less digits than its factorization.

40211323176420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977122 (or 3977117 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 40211323176420 its reverse (2467132311204), we get a palindrome (42678455487624).

The spelling of 40211323176420 in words is "forty trillion, two hundred eleven billion, three hundred twenty-three million, one hundred seventy-six thousand, four hundred twenty".