6435340626 has 32 divisors (see below), whose sum is σ = 15120802368. Its totient is φ = 1800095040.

The previous prime is 6435340619. The next prime is 6435340649. The reversal of 6435340626 is 6260435346.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 3749341 + ... + 3751056.

It is an arithmetic number, because the mean of its divisors is an integer number (472525074).

Almost surely, 2^6435340626 is an apocalyptic number.

6435340626 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6435340626 is an abundant number, since it is smaller than the sum of its proper divisors (8685461742).

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

6435340626 is a wasteful number, since it uses less digits than its factorization.

6435340626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500426.

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 6435340626 is about 80220.5748296533. The cubic root of 6435340626 is about 1860.0466926653.

The spelling of 6435340626 in words is "six billion, four hundred thirty-five million, three hundred forty thousand, six hundred twenty-six".