41891940 has 72 divisors (see below), whose sum is σ = 127790208. Its totient is φ = 11108160.

The previous prime is 41891939. The next prime is 41891957. The reversal of 41891940 is 4919814.

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

It is a junction number, because it is equal to n+sod(n) for n = 41891895 and 41891904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37429 + ... + 38531.

It is an arithmetic number, because the mean of its divisors is an integer number (1774864).

Almost surely, 2^41891940 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 41891940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63895104).

41891940 is an abundant number, since it is smaller than the sum of its proper divisors (85898268).

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

41891940 is a wasteful number, since it uses less digits than its factorization.

41891940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 41891940 is about 6472.3983190159. The cubic root of 41891940 is about 347.3042977911.

The spelling of 41891940 in words is "forty-one million, eight hundred ninety-one thousand, nine hundred forty".