6401504510442 has 40 divisors (see below), whose sum is σ = 14344324157856. Its totient is φ = 2133803270088.

The previous prime is 6401504510371. The next prime is 6401504510509. The reversal of 6401504510442 is 2440154051046.

6401504510442 is a `hidden beast` number, since 6 + 4 + 0 + 1 + 504 + 5 + 104 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6401504510397 and 6401504510406.

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 19 ways as a sum of consecutive naturals, for example, 12383853 + ... + 12890415.

Almost surely, 2^{6401504510442} is an apocalyptic number.

6401504510442 is an abundant number, since it is smaller than the sum of its proper divisors (7942819647414).

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

6401504510442 is a wasteful number, since it uses less digits than its factorization.

6401504510442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584584 (or 584575 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 6401504510442 its reverse (2440154051046), we get a palindrome (8841658561488).

The spelling of 6401504510442 in words is "six trillion, four hundred one billion, five hundred four million, five hundred ten thousand, four hundred forty-two".