1325458464 has 48 divisors (see below), whose sum is σ = 3795634080. Its totient is φ = 401653760.

The previous prime is 1325458439. The next prime is 1325458483. The reversal of 1325458464 is 4648545231.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626529 + ... + 628640.

It is an arithmetic number, because the mean of its divisors is an integer number (79075710).

Almost surely, 2^1325458464 is an apocalyptic number.

It is an amenable number.

1325458464 is an abundant number, since it is smaller than the sum of its proper divisors (2470175616).

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

1325458464 is a wasteful number, since it uses less digits than its factorization.

1325458464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255193 (or 1255185 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 1325458464 is about 36406.8463891065. The cubic root of 1325458464 is about 1098.4712825201.

The spelling of 1325458464 in words is "one billion, three hundred twenty-five million, four hundred fifty-eight thousand, four hundred sixty-four".