41961780 has 192 divisors, whose sum is σ = 158215680. Its totient is φ = 9013248.

The previous prime is 41961779. The next prime is 41961791. The reversal of 41961780 is 8716914.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 63934 + ... + 64586.

It is an arithmetic number, because the mean of its divisors is an integer number (824040).

Almost surely, 2^41961780 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 41961780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79107840).

41961780 is an abundant number, since it is smaller than the sum of its proper divisors (116253900).

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

41961780 is a wasteful number, since it uses less digits than its factorization.

41961780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 41961780 is about 6477.7912902470. The cubic root of 41961780 is about 347.4971930143.

The spelling of 41961780 in words is "forty-one million, nine hundred sixty-one thousand, seven hundred eighty".