2153534808 has 32 divisors (see below), whose sum is σ = 5386268160. Its totient is φ = 717520800.

The previous prime is 2153534797. The next prime is 2153534813. The reversal of 2153534808 is 8084353512.

It is a congruent number.

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, 37341 + ... + 75507.

It is an arithmetic number, because the mean of its divisors is an integer number (168320880).

Almost surely, 2^2153534808 is an apocalyptic number.

It is an amenable number.

2153534808 is an abundant number, since it is smaller than the sum of its proper divisors (3232733352).

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

2153534808 is a wasteful number, since it uses less digits than its factorization.

2153534808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40527 (or 40523 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2153534808 is about 46406.1936383496. The cubic root of 2153534808 is about 1291.3698182708.

The spelling of 2153534808 in words is "two billion, one hundred fifty-three million, five hundred thirty-four thousand, eight hundred eight".