6240644022 has 16 divisors (see below), whose sum is σ = 12496353840. Its totient is φ = 2077703712.

The previous prime is 6240644021. The next prime is 6240644023. The reversal of 6240644022 is 2204460426.

It is an interprime number because it is at equal distance from previous prime (6240644021) and next prime (6240644023).

It is a super-3 number, since 3×6240644022³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240644021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622353 + ... + 632300.

It is an arithmetic number, because the mean of its divisors is an integer number (781022115).

Almost surely, 2^6240644022 is an apocalyptic number.

6240644022 is an abundant number, since it is smaller than the sum of its proper divisors (6255709818).

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

6240644022 is a wasteful number, since it uses less digits than its factorization.

6240644022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255487.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 6240644022 is about 78997.7469425553. The cubic root of 6240644022 is about 1841.0961511639.

The spelling of 6240644022 in words is "six billion, two hundred forty million, six hundred forty-four thousand, twenty-two".