6214864440 has 32 divisors (see below), whose sum is σ = 18644593680. Its totient is φ = 1657297152.

The previous prime is 6214864423. The next prime is 6214864441. The reversal of 6214864440 is 444684126.

It is a super-3 number, since 3×6214864440³ (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 (6214864441) 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, 25895149 + ... + 25895388.

Almost surely, 2^6214864440 is an apocalyptic number.

6214864440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6214864440 is an abundant number, since it is smaller than the sum of its proper divisors (12429729240).

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

6214864440 is a wasteful number, since it uses less digits than its factorization.

6214864440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51790551 (or 51790547 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 6214864440 is about 78834.4115218729. The cubic root of 6214864440 is about 1838.5575138993.

The spelling of 6214864440 in words is "six billion, two hundred fourteen million, eight hundred sixty-four thousand, four hundred forty".