6436402468580 has 72 divisors (see below), whose sum is σ = 15723624764736. Its totient is φ = 2206708593600.

The previous prime is 6436402468571. The next prime is 6436402468591. The reversal of 6436402468580 is 858642046346.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55518875 + ... + 55634685.

It is an arithmetic number, because the mean of its divisors is an integer number (218383677288).

Almost surely, 2^{6436402468580} is an apocalyptic number.

It is an amenable number.

6436402468580 is an abundant number, since it is smaller than the sum of its proper divisors (9287222296156).

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

6436402468580 is a wasteful number, since it uses less digits than its factorization.

6436402468580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172545 (or 172536 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 56.

The spelling of 6436402468580 in words is "six trillion, four hundred thirty-six billion, four hundred two million, four hundred sixty-eight thousand, five hundred eighty".