41405905782 has 24 divisors (see below), whose sum is σ = 93035493096. Its totient is φ = 13801968432.

The previous prime is 41405905759. The next prime is 41405905787. The reversal of 41405905782 is 28750950414.

41405905782 is a `hidden beast` number, since 4 + 1 + 4 + 0 + 590 + 57 + 8 + 2 = 666.

It is a super-2 number, since 2×41405905782² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41405905787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42598183 + ... + 42599154.

It is an arithmetic number, because the mean of its divisors is an integer number (3876478879).

Almost surely, 2^41405905782 is an apocalyptic number.

41405905782 is an abundant number, since it is smaller than the sum of its proper divisors (51629587314).

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

41405905782 is an equidigital number, since it uses as much as digits as its factorization.

41405905782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85197354 (or 85197342 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 41405905782 in words is "forty-one billion, four hundred five million, nine hundred five thousand, seven hundred eighty-two".