6500055100040 has 64 divisors (see below), whose sum is σ = 15553577491200. Its totient is φ = 2437785151488.

The previous prime is 6500055100027. The next prime is 6500055100051. The reversal of 6500055100040 is 400015500056.

It is a junction number, because it is equal to n+sod(n) for n = 6500055099982 and 6500055100009.

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, 44012384 + ... + 44159823.

It is an arithmetic number, because the mean of its divisors is an integer number (243024648300).

Almost surely, 2^{6500055100040} is an apocalyptic number.

It is an amenable number.

6500055100040 is an abundant number, since it is smaller than the sum of its proper divisors (9053522391160).

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

6500055100040 is a wasteful number, since it uses less digits than its factorization.

6500055100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88172334 (or 88172330 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 6500055100040 in words is "six trillion, five hundred billion, fifty-five million, one hundred thousand, forty".