652406340 has 48 divisors (see below), whose sum is σ = 1836334080. Its totient is φ = 173061120.

The previous prime is 652406333. The next prime is 652406341. The reversal of 652406340 is 43604256.

652406340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 652406298 and 652406307.

It is not an unprimeable number, because it can be changed into a prime (652406341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17005 + ... + 39924.

It is an arithmetic number, because the mean of its divisors is an integer number (38256960).

Almost surely, 2^652406340 is an apocalyptic number.

652406340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652406340 is an abundant number, since it is smaller than the sum of its proper divisors (1183927740).

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

652406340 is a wasteful number, since it uses less digits than its factorization.

652406340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57132 (or 57130 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 652406340 is about 25542.2461815714. The cubic root of 652406340 is about 867.3067457576.

The spelling of 652406340 in words is "six hundred fifty-two million, four hundred six thousand, three hundred forty".