40354869318496 has 72 divisors (see below), whose sum is σ = 82361608532280. Its totient is φ = 19462940720640.

The previous prime is 40354869318481. The next prime is 40354869318523. The reversal of 40354869318496 is 69481396845304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7303620 + ... + 11578108.

It is an arithmetic number, because the mean of its divisors is an integer number (1143911229615).

Almost surely, 2^{40354869318496} 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 40354869318496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41180804266140).

40354869318496 is an abundant number, since it is smaller than the sum of its proper divisors (42006739213784).

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

40354869318496 is a wasteful number, since it uses less digits than its factorization.

40354869318496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274868 (or 4274829 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 70.

The spelling of 40354869318496 in words is "forty trillion, three hundred fifty-four billion, eight hundred sixty-nine million, three hundred eighteen thousand, four hundred ninety-six".