416668540 has 12 divisors (see below), whose sum is σ = 875003976. Its totient is φ = 166667408.

The previous prime is 416668513. The next prime is 416668543. The reversal of 416668540 is 45866614.

It is a happy number.

It is a super-2 number, since 2×416668540² = 347225344451463200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 416668493 and 416668502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416668543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10416694 + ... + 10416733.

It is an arithmetic number, because the mean of its divisors is an integer number (72916998).

Almost surely, 2^416668540 is an apocalyptic number.

It is an amenable number.

416668540 is an abundant number, since it is smaller than the sum of its proper divisors (458335436).

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

416668540 is a wasteful number, since it uses less digits than its factorization.

416668540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20833436 (or 20833434 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 416668540 is about 20412.4604102494. The cubic root of 416668540 is about 746.9019104465.

The spelling of 416668540 in words is "four hundred sixteen million, six hundred sixty-eight thousand, five hundred forty".