6215441280 has 128 divisors (see below), whose sum is σ = 20136880800. Its totient is φ = 1630248960.

The previous prime is 6215441261. The next prime is 6215441299. The reversal of 6215441280 is 821445126.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6215441261) and next prime (6215441299).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90586 + ... + 143654.

Almost surely, 2^6215441280 is an apocalyptic number.

6215441280 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 6215441280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10068440400).

6215441280 is an abundant number, since it is smaller than the sum of its proper divisors (13921439520).

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

6215441280 is a wasteful number, since it uses less digits than its factorization.

6215441280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53152 (or 53140 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 6215441280 is about 78838.0699915973. The cubic root of 6215441280 is about 1838.6143947702.

The spelling of 6215441280 in words is "six billion, two hundred fifteen million, four hundred forty-one thousand, two hundred eighty".