6255964540 has 96 divisors (see below), whose sum is σ = 15169609728. Its totient is φ = 2122848000.

The previous prime is 6255964537. The next prime is 6255964577. The reversal of 6255964540 is 454695526.

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, 6866685 + ... + 6867595.

It is an arithmetic number, because the mean of its divisors is an integer number (158016768).

Almost surely, 2^6255964540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6255964540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7584804864).

6255964540 is an abundant number, since it is smaller than the sum of its proper divisors (8913645188).

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

6255964540 is a wasteful number, since it uses less digits than its factorization.

6255964540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The square root of 6255964540 is about 79094.6555716630. The cubic root of 6255964540 is about 1842.6015244391.

The spelling of 6255964540 in words is "six billion, two hundred fifty-five million, nine hundred sixty-four thousand, five hundred forty".