6412440 has 32 divisors (see below), whose sum is σ = 19237680. Its totient is φ = 1709952.

The previous prime is 6412429. The next prime is 6412447. The reversal of 6412440 is 442146.

6412440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6412440² = 82238773507200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412447) 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, 26599 + ... + 26838.

Almost surely, 2^6412440 is an apocalyptic number.

6412440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6412440 is an abundant number, since it is smaller than the sum of its proper divisors (12825240).

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

6412440 is a wasteful number, since it uses less digits than its factorization.

6412440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53451 (or 53447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 6412440 is about 2532.2796054149. The cubic root of 6412440 is about 185.7837699984.

Adding to 6412440 its reverse (442146), we get a palindrome (6854586).

It can be divided in two parts, 641 and 2440, that added together give a triangular number (3081 = T₇₈).

The spelling of 6412440 in words is "six million, four hundred twelve thousand, four hundred forty".