416665740 has 24 divisors (see below), whose sum is σ = 1166664240. Its totient is φ = 111110848.

The previous prime is 416665721. The next prime is 416665747. The reversal of 416665740 is 47566614.

It is a super-2 number, since 2×416665740² = 347220677779495200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (416665747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3472155 + ... + 3472274.

It is an arithmetic number, because the mean of its divisors is an integer number (48611010).

Almost surely, 2^416665740 is an apocalyptic number.

It is an amenable number.

416665740 is an abundant number, since it is smaller than the sum of its proper divisors (749998500).

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

416665740 is a wasteful number, since it uses less digits than its factorization.

416665740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944441 (or 6944439 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 416665740 is about 20412.3918245756. The cubic root of 416665740 is about 746.9002373900.

The spelling of 416665740 in words is "four hundred sixteen million, six hundred sixty-five thousand, seven hundred forty".