40012562320236 has 288 divisors, whose sum is σ = 120210461280000. Its totient is φ = 11085172600320.

The previous prime is 40012562320231. The next prime is 40012562320261. The reversal of 40012562320236 is 63202326521004.

40012562320236 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 2 + 5 + 623 + 2 + 0 + 23 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40012562320236.

It is not an unprimeable number, because it can be changed into a prime (40012562320231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 442674495 + ... + 442764873.

It is an arithmetic number, because the mean of its divisors is an integer number (417397435000).

Almost surely, 2^{40012562320236} 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 40012562320236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60105230640000).

40012562320236 is an abundant number, since it is smaller than the sum of its proper divisors (80197898959764).

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

40012562320236 is a wasteful number, since it uses less digits than its factorization.

40012562320236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92477 (or 92472 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 40012562320236 in words is "forty trillion, twelve billion, five hundred sixty-two million, three hundred twenty thousand, two hundred thirty-six".