40106664000 has 1176 divisors, whose sum is σ = 167649262872. Its totient is φ = 9443174400.

The previous prime is 40106663951. The next prime is 40106664001. The reversal of 40106664000 is 46660104.

It can be written as a sum of positive squares in 4 ways, for example, as 6318342144 + 33788321856 = 79488^2 + 183816^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40106664001) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 1743767989 + ... + 1743768011.

It is an arithmetic number, because the mean of its divisors is an integer number (142558897).

Almost surely, 2^40106664000 is an apocalyptic number.

40106664000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40106664000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83824631436).

40106664000 is an abundant number, since it is smaller than the sum of its proper divisors (127542598872).

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

40106664000 is an equidigital number, since it uses as much as digits as its factorization.

40106664000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 40106664000 in words is "forty billion, one hundred six million, six hundred sixty-four thousand".