652440434 has 8 divisors (see below), whose sum is σ = 1012407660. Its totient is φ = 314971216.

The previous prime is 652440413. The next prime is 652440479. The reversal of 652440434 is 434044256.

It can be written as a sum of positive squares in 2 ways, for example, as 618765625 + 33674809 = 24875^2 + 5803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 652440434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624429 + ... + 5624544.

Almost surely, 2^652440434 is an apocalyptic number.

652440434 is a deficient number, since it is larger than the sum of its proper divisors (359967226).

652440434 is a wasteful number, since it uses less digits than its factorization.

652440434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11249004.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 652440434 is about 25542.9135769591. The cubic root of 652440434 is about 867.3218536432.

The spelling of 652440434 in words is "six hundred fifty-two million, four hundred forty thousand, four hundred thirty-four".