40744043377040 has 80 divisors (see below), whose sum is σ = 95895687283200. Its totient is φ = 16097152152576.

The previous prime is 40744043377013. The next prime is 40744043377057. The reversal of 40744043377040 is 4077334044704.

It is a tau number, because it is divible by the number of its divisors (80).

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, 25307681 + ... + 26869439.

It is an arithmetic number, because the mean of its divisors is an integer number (1198696091040).

Almost surely, 2^{40744043377040} is an apocalyptic number.

40744043377040 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 40744043377040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47947843641600).

40744043377040 is an abundant number, since it is smaller than the sum of its proper divisors (55151643906160).

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

40744043377040 is a wasteful number, since it uses less digits than its factorization.

40744043377040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565784 (or 1565778 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 47.

The spelling of 40744043377040 in words is "forty trillion, seven hundred forty-four billion, forty-three million, three hundred seventy-seven thousand, forty".