1332721498464 has 72 divisors (see below), whose sum is σ = 3790131580872. Its totient is φ = 444216491520.

The previous prime is 1332721498457. The next prime is 1332721498477. The reversal of 1332721498464 is 4648941272331.

1332721498464 is a `hidden beast` number, since 1 + 3 + 32 + 7 + 2 + 149 + 8 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1332721498464² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1332721498464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5680444 + ... + 5910404.

It is an arithmetic number, because the mean of its divisors is an integer number (52640716401).

Almost surely, 2^{1332721498464} is an apocalyptic number.

It is an amenable number.

1332721498464 is an abundant number, since it is smaller than the sum of its proper divisors (2457410082408).

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

1332721498464 is a wasteful number, since it uses less digits than its factorization.

1332721498464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250100 (or 250089 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 1332721498464 in words is "one trillion, three hundred thirty-two billion, seven hundred twenty-one million, four hundred ninety-eight thousand, four hundred sixty-four".