41481640 has 16 divisors (see below), whose sum is σ = 93333780. Its totient is φ = 16592640.

The previous prime is 41481637. The next prime is 41481641. The reversal of 41481640 is 4618414.

It can be written as a sum of positive squares in 2 ways, for example, as 36893476 + 4588164 = 6074^2 + 2142^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41481599 and 41481608.

It is not an unprimeable number, because it can be changed into a prime (41481641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518481 + ... + 518560.

Almost surely, 2^41481640 is an apocalyptic number.

41481640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41481640 is an abundant number, since it is smaller than the sum of its proper divisors (51852140).

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

41481640 is a wasteful number, since it uses less digits than its factorization.

41481640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037052 (or 1037048 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 41481640 is about 6440.6241933527. The cubic root of 41481640 is about 346.1667144061.

The spelling of 41481640 in words is "forty-one million, four hundred eighty-one thousand, six hundred forty".