42647056760 has 128 divisors (see below), whose sum is σ = 119823805440. Its totient is φ = 13271424000.

The previous prime is 42647056759. The next prime is 42647056799. The reversal of 42647056760 is 6765074624.

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, 1982060 + ... + 2003460.

It is an arithmetic number, because the mean of its divisors is an integer number (936123480).

Almost surely, 2^42647056760 is an apocalyptic number.

42647056760 is a gapful number since it is divisible by the number (40) 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 42647056760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59911902720).

42647056760 is an abundant number, since it is smaller than the sum of its proper divisors (77176748680).

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

42647056760 is a wasteful number, since it uses less digits than its factorization.

42647056760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22077 (or 22073 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 42647056760 in words is "forty-two billion, six hundred forty-seven million, fifty-six thousand, seven hundred sixty".