412615220465 has 24 divisors (see below), whose sum is σ = 590025402792. Its totient is φ = 276035262720.

The previous prime is 412615220461. The next prime is 412615220489. The reversal of 412615220465 is 564022516214.

It can be written as a sum of positive squares in 4 ways, for example, as 9614979136 + 403000241329 = 98056^2 + 634823^2 .

It is not a de Polignac number, because 412615220465 - 2² = 412615220461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (412615220461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20528294 + ... + 20548383.

It is an arithmetic number, because the mean of its divisors is an integer number (24584391783).

Almost surely, 2^412615220465 is an apocalyptic number.

It is an amenable number.

412615220465 is a deficient number, since it is larger than the sum of its proper divisors (177410182327).

412615220465 is a wasteful number, since it uses less digits than its factorization.

412615220465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41076737 (or 41076730 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 412615220465 its reverse (564022516214), we get a palindrome (976637736679).

The spelling of 412615220465 in words is "four hundred twelve billion, six hundred fifteen million, two hundred twenty thousand, four hundred sixty-five".