1453646464 has 32 divisors (see below), whose sum is σ = 2921593140. Its totient is φ = 720384000.

The previous prime is 1453646443. The next prime is 1453646473. The reversal of 1453646464 is 4646463541.

It can be written as a sum of positive squares in 2 ways, for example, as 1101708864 + 351937600 = 33192^2 + 18760^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1453646464² = 4226176084599406592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453646464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35787 + ... + 64714.

Almost surely, 2^1453646464 is an apocalyptic number.

It is an amenable number.

1453646464 is an abundant number, since it is smaller than the sum of its proper divisors (1467946676).

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

1453646464 is a wasteful number, since it uses less digits than its factorization.

1453646464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100628 (or 100616 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 1453646464 is about 38126.7158826983. The cubic root of 1453646464 is about 1132.7991958989.

The spelling of 1453646464 in words is "one billion, four hundred fifty-three million, six hundred forty-six thousand, four hundred sixty-four".