652722040 has 32 divisors (see below), whose sum is σ = 1490550480. Its totient is φ = 257190912.

The previous prime is 652722023. The next prime is 652722061. The reversal of 652722040 is 40227256.

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, 119097 + ... + 124456.

Almost surely, 2^652722040 is an apocalyptic number.

It is an amenable number.

652722040 is an abundant number, since it is smaller than the sum of its proper divisors (837828440).

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

652722040 is a wasteful number, since it uses less digits than its factorization.

652722040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243631 (or 243627 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 652722040 is about 25548.4253917927. The cubic root of 652722040 is about 867.4466200299.

Adding to 652722040 its reverse (40227256), we get a palindrome (692949296).

The spelling of 652722040 in words is "six hundred fifty-two million, seven hundred twenty-two thousand, forty".