41947640 has 64 divisors (see below), whose sum is σ = 110808000. Its totient is φ = 13989888.

The previous prime is 41947639. The next prime is 41947651. The reversal of 41947640 is 4674914.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 41947640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8336 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (1731375).

Almost surely, 2^41947640 is an apocalyptic number.

41947640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41947640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55404000).

41947640 is an abundant number, since it is smaller than the sum of its proper divisors (68860360).

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

41947640 is a wasteful number, since it uses less digits than its factorization.

41947640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104 (or 4100 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 41947640 is about 6476.6997768925. The cubic root of 41947640 is about 347.4581562024.

The spelling of 41947640 in words is "forty-one million, nine hundred forty-seven thousand, six hundred forty".