412440542421545 has 36 divisors (see below), whose sum is σ = 574151680150020. Its totient is φ = 284169560178240.

The previous prime is 412440542421541. The next prime is 412440542421559. The reversal of 412440542421545 is 545124245044214.

It can be written as a sum of positive squares in 2 ways, for example, as 292301493467929 + 120139048953616 = 17096827^2 + 10960796^2 .

It is not a de Polignac number, because 412440542421545 - 2² = 412440542421541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 412440542421545.

It is not an unprimeable number, because it can be changed into a prime (412440542421541) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 943991990 + ... + 944428799.

It is an arithmetic number, because the mean of its divisors is an integer number (15948657781945).

Almost surely, 2^{412440542421545} is an apocalyptic number.

It is an amenable number.

412440542421545 is a deficient number, since it is larger than the sum of its proper divisors (161711137728475).

412440542421545 is a wasteful number, since it uses less digits than its factorization.

412440542421545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888420854 (or 1888420824 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 47.

Adding to 412440542421545 its reverse (545124245044214), we get a palindrome (957564787465759).

The spelling of 412440542421545 in words is "four hundred twelve trillion, four hundred forty billion, five hundred forty-two million, four hundred twenty-one thousand, five hundred forty-five".