6416280 has 128 divisors (see below), whose sum is σ = 23083200. Its totient is φ = 1575936.

The previous prime is 6416273. The next prime is 6416303. The reversal of 6416280 is 826146.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13812 + ... + 14268.

Almost surely, 2^6416280 is an apocalyptic number.

6416280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6416280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11541600).

6416280 is an abundant number, since it is smaller than the sum of its proper divisors (16666920).

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

6416280 is a wasteful number, since it uses less digits than its factorization.

6416280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6416280 is about 2533.0377020487. The cubic root of 6416280 is about 185.8208472689.

The spelling of 6416280 in words is "six million, four hundred sixteen thousand, two hundred eighty".