6401352333552 has 80 divisors (see below), whose sum is σ = 18068231975808. Its totient is φ = 1936786832640.

The previous prime is 6401352333521. The next prime is 6401352333599. The reversal of 6401352333552 is 2553332531046.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9088003 + ... + 9767010.

Almost surely, 2^{6401352333552} is an apocalyptic number.

It is an amenable number.

6401352333552 is an abundant number, since it is smaller than the sum of its proper divisors (11666879642256).

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

6401352333552 is a wasteful number, since it uses less digits than its factorization.

6401352333552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18855678 (or 18855672 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 42.

Adding to 6401352333552 its reverse (2553332531046), we get a palindrome (8954684864598).

The spelling of 6401352333552 in words is "six trillion, four hundred one billion, three hundred fifty-two million, three hundred thirty-three thousand, five hundred fifty-two".