2153606880 has 48 divisors (see below), whose sum is σ = 6783863184. Its totient is φ = 574295040.

The previous prime is 2153606879. The next prime is 2153606887. The reversal of 2153606880 is 886063512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153606887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242861 + ... + 2243820.

It is an arithmetic number, because the mean of its divisors is an integer number (141330483).

Almost surely, 2^2153606880 is an apocalyptic number.

2153606880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153606880 is an abundant number, since it is smaller than the sum of its proper divisors (4630256304).

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

2153606880 is a wasteful number, since it uses less digits than its factorization.

2153606880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486699 (or 4486691 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2153606880 is about 46406.9701661291. The cubic root of 2153606880 is about 1291.3842241315.

The spelling of 2153606880 in words is "two billion, one hundred fifty-three million, six hundred six thousand, eight hundred eighty".