41394240 has 140 divisors (see below), whose sum is σ = 147338796. Its totient is φ = 11031552.

The previous prime is 41394239. The next prime is 41394247. The reversal of 41394240 is 4249314.

41394240 is a `hidden beast` number, since 413 + 9 + 4 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11451456 + 29942784 = 3384^2 + 5472^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (41394247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25122 + ... + 26718.

Almost surely, 2^41394240 is an apocalyptic number.

41394240 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 41394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73669398).

41394240 is an abundant number, since it is smaller than the sum of its proper divisors (105944556).

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

41394240 is a wasteful number, since it uses less digits than its factorization.

41394240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 41394240 is about 6433.8355589804. The cubic root of 41394240 is about 345.9234240863.

The spelling of 41394240 in words is "forty-one million, three hundred ninety-four thousand, two hundred forty".