40406706773312 has 112 divisors (see below), whose sum is σ = 88604113489920. Its totient is φ = 18128965670400.

The previous prime is 40406706773269. The next prime is 40406706773341. The reversal of 40406706773312 is 21337760760404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196054637 + ... + 196260627.

It is an arithmetic number, because the mean of its divisors is an integer number (791108156160).

Almost surely, 2^{40406706773312} 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 40406706773312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44302056744960).

40406706773312 is an abundant number, since it is smaller than the sum of its proper divisors (48197406716608).

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

40406706773312 is a wasteful number, since it uses less digits than its factorization.

40406706773312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209620 (or 209610 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 40406706773312 in words is "forty trillion, four hundred six billion, seven hundred six million, seven hundred seventy-three thousand, three hundred twelve".