40043177616 has 320 divisors, whose sum is σ = 119879827200. Its totient is φ = 11415748608.

The previous prime is 40043177599. The next prime is 40043177621. The reversal of 40043177616 is 61677134004.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144560070 + ... + 144560346.

It is an arithmetic number, because the mean of its divisors is an integer number (374624460).

Almost surely, 2^40043177616 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 40043177616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59939913600).

40043177616 is an abundant number, since it is smaller than the sum of its proper divisors (79836649584).

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

40043177616 is a wasteful number, since it uses less digits than its factorization.

40043177616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 40043177616 in words is "forty billion, forty-three million, one hundred seventy-seven thousand, six hundred sixteen".