1325776896 has 240 divisors, whose sum is σ = 4084078880. Its totient is φ = 429981696.

The previous prime is 1325776877. The next prime is 1325776901. The reversal of 1325776896 is 6986775231.

1325776896 is a `hidden beast` number, since 1 + 3 + 2 + 577 + 68 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3810240) is a multiple of the sum of its prime divisors (42).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35831790 + ... + 35831826.

Almost surely, 2^1325776896 is an apocalyptic number.

1325776896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325776896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042039440).

1325776896 is an abundant number, since it is smaller than the sum of its proper divisors (2758301984).

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

1325776896 is an frugal number, since it uses more digits than its factorization.

1325776896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 42 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 1325776896 is about 36411.2193698591. The cubic root of 1325776896 is about 1098.5592421228.

The spelling of 1325776896 in words is "one billion, three hundred twenty-five million, seven hundred seventy-six thousand, eight hundred ninety-six".