662402052464 has 80 divisors (see below), whose sum is σ = 1338473570304. Its totient is φ = 317213798400.

The previous prime is 662402052419. The next prime is 662402052503. The reversal of 662402052464 is 464250204266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121739984 + ... + 121745424.

Almost surely, 2^662402052464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662402052464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669236785152).

662402052464 is an abundant number, since it is smaller than the sum of its proper divisors (676071517840).

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

662402052464 is a wasteful number, since it uses less digits than its factorization.

662402052464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966 (or 7960 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 662402052464 in words is "six hundred sixty-two billion, four hundred two million, fifty-two thousand, four hundred sixty-four".