41995890 has 96 divisors (see below), whose sum is σ = 117936000. Its totient is φ = 10333440.

The previous prime is 41995879. The next prime is 41995897. The reversal of 41995890 is 9859914.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (41995897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69811 + ... + 70409.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^41995890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41995890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968000).

41995890 is an abundant number, since it is smaller than the sum of its proper divisors (75940110).

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

41995890 is a wasteful number, since it uses less digits than its factorization.

41995890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 41995890 is about 6480.4235972658. The cubic root of 41995890 is about 347.5913256509.

The spelling of 41995890 in words is "forty-one million, nine hundred ninety-five thousand, eight hundred ninety".