416161640 has 32 divisors (see below), whose sum is σ = 937538280. Its totient is φ = 166255872.

The previous prime is 416161621. The next prime is 416161661. The reversal of 416161640 is 46161614.

It can be written as a sum of positive squares in 4 ways, for example, as 272976484 + 143185156 = 16522^2 + 11966^2 .

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, 28022 + ... + 40218.

Almost surely, 2^416161640 is an apocalyptic number.

416161640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

416161640 is an abundant number, since it is smaller than the sum of its proper divisors (521376640).

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

416161640 is a wasteful number, since it uses less digits than its factorization.

416161640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13061 (or 13057 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 416161640 is about 20400.0401960388. The cubic root of 416161640 is about 746.5989052382.

The spelling of 416161640 in words is "four hundred sixteen million, one hundred sixty-one thousand, six hundred forty".