2151347328 has 96 divisors (see below), whose sum is σ = 6666982140. Its totient is φ = 661948416.

The previous prime is 2151347311. The next prime is 2151347347. The reversal of 2151347328 is 8237431512.

It can be written as a sum of positive squares in 2 ways, for example, as 2085931584 + 65415744 = 45672^2 + 8088^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2151347292 and 2151347301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56851 + ... + 86802.

Almost surely, 2^2151347328 is an apocalyptic number.

It is an amenable number.

2151347328 is an abundant number, since it is smaller than the sum of its proper divisors (4515634812).

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

2151347328 is a wasteful number, since it uses less digits than its factorization.

2151347328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143686 (or 143671 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2151347328 is about 46382.6188135168. The cubic root of 2151347328 is about 1290.9324284444.

The spelling of 2151347328 in words is "two billion, one hundred fifty-one million, three hundred forty-seven thousand, three hundred twenty-eight".