402441013215 has 12 divisors (see below), whose sum is σ = 697564422984. Its totient is φ = 214635207024.

The previous prime is 402441013207. The next prime is 402441013279. The reversal of 402441013215 is 512310144204.

402441013215 is a `hidden beast` number, since 4 + 0 + 2 + 441 + 0 + 1 + 3 + 215 = 666.

It is not a de Polignac number, because 402441013215 - 2³ = 402441013207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4471566769 + ... + 4471566858.

It is an arithmetic number, because the mean of its divisors is an integer number (58130368582).

Almost surely, 2^402441013215 is an apocalyptic number.

402441013215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

402441013215 is a deficient number, since it is larger than the sum of its proper divisors (295123409769).

402441013215 is a wasteful number, since it uses less digits than its factorization.

402441013215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943133638 (or 8943133635 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 402441013215 its reverse (512310144204), we get a palindrome (914751157419).

The spelling of 402441013215 in words is "four hundred two billion, four hundred forty-one million, thirteen thousand, two hundred fifteen".