653041856 has 28 divisors (see below), whose sum is σ = 1364086680. Its totient is φ = 309335040.

The previous prime is 653041853. The next prime is 653041871. The reversal of 653041856 is 658140356.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (653041853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267305 + ... + 269736.

Almost surely, 2^653041856 is an apocalyptic number.

It is an amenable number.

653041856 is an abundant number, since it is smaller than the sum of its proper divisors (711044824).

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

653041856 is a wasteful number, since it uses less digits than its factorization.

653041856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537072 (or 537062 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 653041856 is about 25554.6836411645. The cubic root of 653041856 is about 867.5882719601.

The spelling of 653041856 in words is "six hundred fifty-three million, forty-one thousand, eight hundred fifty-six".