41421040 has 40 divisors (see below), whose sum is σ = 98551728. Its totient is φ = 16181760.

The previous prime is 41421001. The next prime is 41421041. The reversal of 41421040 is 4012414.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41421041) 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, 2581 + ... + 9460.

Almost surely, 2^41421040 is an apocalyptic number.

41421040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41421040 is an abundant number, since it is smaller than the sum of its proper divisors (57130688).

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

41421040 is a wasteful number, since it uses less digits than its factorization.

41421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12097 (or 12091 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 41421040 is about 6435.9179609439. The cubic root of 41421040 is about 345.9980620694.

Adding to 41421040 its reverse (4012414), we get a palindrome (45433454).

The spelling of 41421040 in words is "forty-one million, four hundred twenty-one thousand, forty".