41940782694 has 120 divisors (see below), whose sum is σ = 99743958600. Its totient is φ = 13062757680.

The previous prime is 41940782621. The next prime is 41940782729. The reversal of 41940782694 is 49628704914.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 41940782694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1352928459 + ... + 1352928489.

It is an arithmetic number, because the mean of its divisors is an integer number (831199655).

Almost surely, 2^41940782694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41940782694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49871979300).

41940782694 is an abundant number, since it is smaller than the sum of its proper divisors (57803175906).

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

41940782694 is an frugal number, since it uses more digits than its factorization.

41940782694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

Multiplying 41940782694 by its sum of digits (54), we get a square (2264802265476 = 1504926²).

41940782694 divided by its sum of digits (54) gives a square (776681161 = 27869²).

The spelling of 41940782694 in words is "forty-one billion, nine hundred forty million, seven hundred eighty-two thousand, six hundred ninety-four".