1325688408 has 48 divisors (see below), whose sum is σ = 3916809000. Its totient is φ = 401723520.

The previous prime is 1325688401. The next prime is 1325688461. The reversal of 1325688408 is 8048865231.

1325688408 is a `hidden beast` number, since 1 + 3 + 2 + 568 + 84 + 0 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325688401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836133 + ... + 837716.

Almost surely, 2^1325688408 is an apocalyptic number.

1325688408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1325688408 is an abundant number, since it is smaller than the sum of its proper divisors (2591120592).

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

1325688408 is a wasteful number, since it uses less digits than its factorization.

1325688408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673872 (or 1673865 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 1325688408 is about 36410.0042296070. The cubic root of 1325688408 is about 1098.5348007372.

The spelling of 1325688408 in words is "one billion, three hundred twenty-five million, six hundred eighty-eight thousand, four hundred eight".