40001254116 has 144 divisors (see below), whose sum is σ = 107740200960. Its totient is φ = 11504816640.

The previous prime is 40001254067. The next prime is 40001254129. The reversal of 40001254116 is 61145210004.

It is a happy number.

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, 2032861 + ... + 2052443.

It is an arithmetic number, because the mean of its divisors is an integer number (748195840).

Almost surely, 2^40001254116 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 40001254116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53870100480).

40001254116 is an abundant number, since it is smaller than the sum of its proper divisors (67738946844).

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

40001254116 is a wasteful number, since it uses less digits than its factorization.

40001254116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19674 (or 19655 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 40001254116 in words is "forty billion, one million, two hundred fifty-four thousand, one hundred sixteen".