41919640 has 32 divisors (see below), whose sum is σ = 107794080. Its totient is φ = 14372352.

The previous prime is 41919601. The next prime is 41919641. The reversal of 41919640 is 4691914.

It is a junction number, because it is equal to n+sod(n) for n = 41919596 and 41919605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41919641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74577 + ... + 75136.

It is an arithmetic number, because the mean of its divisors is an integer number (3368565).

Almost surely, 2^41919640 is an apocalyptic number.

41919640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41919640 is an abundant number, since it is smaller than the sum of its proper divisors (65874440).

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

41919640 is a wasteful number, since it uses less digits than its factorization.

41919640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149731 (or 149727 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 41919640 is about 6474.5378213429. The cubic root of 41919640 is about 347.3808296922.

It can be divided in two parts, 4191 and 9640, that added together give a palindrome (13831).

The spelling of 41919640 in words is "forty-one million, nine hundred nineteen thousand, six hundred forty".