2151927360 has 168 divisors, whose sum is σ = 8074737216. Its totient is φ = 521671680.

The previous prime is 2151927347. The next prime is 2151927367. The reversal of 2151927360 is 637291512.

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

It is not an unprimeable number, because it can be changed into a prime (2151927367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2284 + ... + 65643.

It is an arithmetic number, because the mean of its divisors is an integer number (48063912).

Almost surely, 2^2151927360 is an apocalyptic number.

2151927360 is a gapful number since it is divisible by the number (20) 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 2151927360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4037368608).

2151927360 is an abundant number, since it is smaller than the sum of its proper divisors (5922809856).

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

2151927360 is a wasteful number, since it uses less digits than its factorization.

2151927360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67961 (or 67948 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2151927360 is about 46388.8710791716. The cubic root of 2151927360 is about 1291.0484355662.

The spelling of 2151927360 in words is "two billion, one hundred fifty-one million, nine hundred twenty-seven thousand, three hundred sixty".