653352340 has 24 divisors (see below), whose sum is σ = 1372688352. Its totient is φ = 261217440.

The previous prime is 653352299. The next prime is 653352353. The reversal of 653352340 is 43253356.

It is a happy number.

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, 44167 + ... + 57073.

It is an arithmetic number, because the mean of its divisors is an integer number (57195348).

Almost surely, 2^653352340 is an apocalyptic number.

It is an amenable number.

653352340 is an abundant number, since it is smaller than the sum of its proper divisors (719336012).

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

653352340 is a wasteful number, since it uses less digits than its factorization.

653352340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15447 (or 15445 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 653352340 is about 25560.7578134922. The cubic root of 653352340 is about 867.7257463529.

The spelling of 653352340 in words is "six hundred fifty-three million, three hundred fifty-two thousand, three hundred forty".