40112466378820 has 144 divisors (see below), whose sum is σ = 96320764596672. Its totient is φ = 13914741899520.

The previous prime is 40112466378767. The next prime is 40112466378827. The reversal of 40112466378820 is 2887366421104.

It is not an unprimeable number, because it can be changed into a prime (40112466378827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42947719 + ... + 43871761.

It is an arithmetic number, because the mean of its divisors is an integer number (668894198588).

Almost surely, 2^{40112466378820} 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 40112466378820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48160382298336).

40112466378820 is an abundant number, since it is smaller than the sum of its proper divisors (56208298217852).

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

40112466378820 is a wasteful number, since it uses less digits than its factorization.

40112466378820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924482 (or 924457 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 40112466378820 in words is "forty trillion, one hundred twelve billion, four hundred sixty-six million, three hundred seventy-eight thousand, eight hundred twenty".