41381040 has 40 divisors (see below), whose sum is σ = 128281968. Its totient is φ = 11034880.

The previous prime is 41381029. The next prime is 41381051. The reversal of 41381040 is 4018314.

It is an interprime number because it is at equal distance from previous prime (41381029) and next prime (41381051).

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

It is a junction number, because it is equal to n+sod(n) for n = 41380998 and 41381016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85971 + ... + 86450.

Almost surely, 2^41381040 is an apocalyptic number.

41381040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41381040 is an abundant number, since it is smaller than the sum of its proper divisors (86900928).

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

41381040 is a wasteful number, since it uses less digits than its factorization.

41381040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172437 (or 172431 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 41381040 is about 6432.8096505337. The cubic root of 41381040 is about 345.8866502530.

Adding to 41381040 its reverse (4018314), we get a palindrome (45399354).

The spelling of 41381040 in words is "forty-one million, three hundred eighty-one thousand, forty".