416643040 has 48 divisors (see below), whose sum is σ = 1073807280. Its totient is φ = 151505920.

The previous prime is 416642957. The next prime is 416643043. The reversal of 416643040 is 40346614.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416643043) 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, 116605 + ... + 120124.

It is an arithmetic number, because the mean of its divisors is an integer number (22370985).

Almost surely, 2^416643040 is an apocalyptic number.

416643040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

416643040 is an abundant number, since it is smaller than the sum of its proper divisors (657164240).

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

416643040 is a wasteful number, since it uses less digits than its factorization.

416643040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236755 (or 236747 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 416643040 is about 20411.8357822122. The cubic root of 416643040 is about 746.8866734052.

Adding to 416643040 its reverse (40346614), we get a palindrome (456989654).

The spelling of 416643040 in words is "four hundred sixteen million, six hundred forty-three thousand, forty".