653304740 has 96 divisors (see below), whose sum is σ = 1597760640. Its totient is φ = 221875200.

The previous prime is 653304733. The next prime is 653304761. The reversal of 653304740 is 47403356.

It is a junction number, because it is equal to n+sod(n) for n = 653304697 and 653304706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304070 + ... + 306210.

It is an arithmetic number, because the mean of its divisors is an integer number (16643340).

Almost surely, 2^653304740 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 653304740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798880320).

653304740 is an abundant number, since it is smaller than the sum of its proper divisors (944455900).

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

653304740 is a wasteful number, since it uses less digits than its factorization.

653304740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 653304740 is about 25559.8266817285. The cubic root of 653304740 is about 867.7046731146.

The spelling of 653304740 in words is "six hundred fifty-three million, three hundred four thousand, seven hundred forty".