6261405056 has 32 divisors (see below), whose sum is σ = 12644787000. Its totient is φ = 3087811584.

The previous prime is 6261405037. The next prime is 6261405067. The reversal of 6261405056 is 6505041626.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325706 + ... + 344393.

Almost surely, 2^6261405056 is an apocalyptic number.

It is an amenable number.

6261405056 is an abundant number, since it is smaller than the sum of its proper divisors (6383381944).

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

6261405056 is an equidigital number, since it uses as much as digits as its factorization.

6261405056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670186 (or 670174 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6261405056 is about 79129.0405350653. The cubic root of 6261405056 is about 1843.1355107605.

The spelling of 6261405056 in words is "six billion, two hundred sixty-one million, four hundred five thousand, fifty-six".