653450976 has 240 divisors, whose sum is σ = 2043939744. Its totient is φ = 204374016.

The previous prime is 653450951. The next prime is 653450977. The reversal of 653450976 is 679054356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653450977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5782696 + ... + 5782808.

Almost surely, 2^653450976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653450976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021969872).

653450976 is an abundant number, since it is smaller than the sum of its proper divisors (1390488768).

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

653450976 is a wasteful number, since it uses less digits than its factorization.

653450976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 653450976 is about 25562.6871826888. The cubic root of 653450976 is about 867.7694107408.

The spelling of 653450976 in words is "six hundred fifty-three million, four hundred fifty thousand, nine hundred seventy-six".