414445816 has 8 divisors (see below), whose sum is σ = 777085920. Its totient is φ = 207222904.

The previous prime is 414445813. The next prime is 414445847. The reversal of 414445816 is 618544414.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (414445813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25902856 + ... + 25902871.

It is an arithmetic number, because the mean of its divisors is an integer number (97135740).

Almost surely, 2^414445816 is an apocalyptic number.

It is an amenable number.

414445816 is a deficient number, since it is larger than the sum of its proper divisors (362640104).

414445816 is a wasteful number, since it uses less digits than its factorization.

414445816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51805733 (or 51805729 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 414445816 is about 20357.9423321710. The cubic root of 414445816 is about 745.5714223284.

The spelling of 414445816 in words is "four hundred fourteen million, four hundred forty-five thousand, eight hundred sixteen".