415841840164 has 9 divisors (see below), whose sum is σ = 727725477297. Its totient is φ = 207920275224.

The previous prime is 415841840159. The next prime is 415841840173. The reversal of 415841840164 is 461048148514.

The square root of 415841840164 is 644858.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 126382564 + 415715457600 = 11242^2 + 644760^2 .

It is a super-3 number, since 3×415841840164³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1128502 + ... + 1450930.

Almost surely, 2^415841840164 is an apocalyptic number.

415841840164 is the 644858-th square number.

It is an amenable number.

415841840164 is a deficient number, since it is larger than the sum of its proper divisors (311883637133).

415841840164 is an frugal number, since it uses more digits than its factorization.

415841840164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644862 (or 322431 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

Adding to 415841840164 its reverse (461048148514), we get a palindrome (876889988678).

The spelling of 415841840164 in words is "four hundred fifteen billion, eight hundred forty-one million, eight hundred forty thousand, one hundred sixty-four".