6402462020442 has 24 divisors (see below), whose sum is σ = 14246919992916. Its totient is φ = 2076474168576.

The previous prime is 6402462020351. The next prime is 6402462020483. The reversal of 6402462020442 is 2440202642046.

6402462020442 is a `hidden beast` number, since 6 + 4 + 0 + 2 + 4 + 6 + 202 + 0 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4537705175721 + 1864756844721 = 2130189^2 + 1365561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6402462020397 and 6402462020406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4806652503 + ... + 4806653834.

Almost surely, 2^{6402462020442} is an apocalyptic number.

6402462020442 is an abundant number, since it is smaller than the sum of its proper divisors (7844457972474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6402462020442 is a wasteful number, since it uses less digits than its factorization.

6402462020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613306382 (or 9613306379 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 6402462020442 its reverse (2440202642046), we get a palindrome (8842664662488).

The spelling of 6402462020442 in words is "six trillion, four hundred two billion, four hundred sixty-two million, twenty thousand, four hundred forty-two".