652956018 has 64 divisors (see below), whose sum is σ = 1538998272. Its totient is φ = 182076480.

The previous prime is 652955999. The next prime is 652956023. The reversal of 652956018 is 810659256.

It is a super-2 number, since 2×652956018² = 852703122884832648, which contains 22 as substring.

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, 327621 + ... + 329607.

It is an arithmetic number, because the mean of its divisors is an integer number (24046848).

Almost surely, 2^652956018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652956018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769499136).

652956018 is an abundant number, since it is smaller than the sum of its proper divisors (886042254).

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

652956018 is a wasteful number, since it uses less digits than its factorization.

652956018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 652956018 is about 25553.0040895391. The cubic root of 652956018 is about 867.5502573956.

The spelling of 652956018 in words is "six hundred fifty-two million, nine hundred fifty-six thousand, eighteen".