2154356360 has 32 divisors (see below), whose sum is σ = 5220172440. Its totient is φ = 795454464.

The previous prime is 2154356359. The next prime is 2154356381. The reversal of 2154356360 is 636534512.

It can be written as a sum of positive squares in 4 ways, for example, as 1223740324 + 930616036 = 34982^2 + 30506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2154356360.

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, 2070977 + ... + 2072016.

Almost surely, 2^2154356360 is an apocalyptic number.

2154356360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154356360 is an abundant number, since it is smaller than the sum of its proper divisors (3065816080).

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

2154356360 is a wasteful number, since it uses less digits than its factorization.

2154356360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143017 (or 4143013 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2154356360 is about 46415.0445437683. The cubic root of 2154356360 is about 1291.5340122850.

The spelling of 2154356360 in words is "two billion, one hundred fifty-four million, three hundred fifty-six thousand, three hundred sixty".