1464226644456 has 24 divisors (see below), whose sum is σ = 3965613828930. Its totient is φ = 488075548128.

The previous prime is 1464226644451. The next prime is 1464226644481. The reversal of 1464226644456 is 6544466224641.

1464226644456 is a `hidden beast` number, since 14 + 64 + 22 + 66 + 44 + 456 = 666.

It can be written as a sum of positive squares in only one way, i.e., 798967822500 + 665258821956 = 893850^2 + 815634^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1464226644451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10168240515 + ... + 10168240658.

Almost surely, 2^{1464226644456} is an apocalyptic number.

It is an amenable number.

1464226644456 is an abundant number, since it is smaller than the sum of its proper divisors (2501387184474).

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

1464226644456 is a wasteful number, since it uses less digits than its factorization.

1464226644456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20336481185 (or 20336481178 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 54.

The spelling of 1464226644456 in words is "one trillion, four hundred sixty-four billion, two hundred twenty-six million, six hundred forty-four thousand, four hundred fifty-six".