42648831870 has 64 divisors (see below), whose sum is σ = 105728495616. Its totient is φ = 10998915840.

The previous prime is 42648831803. The next prime is 42648831913. The reversal of 42648831870 is 7813884624.

It is a Curzon number.

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, 1480242 + ... + 1508778.

It is an arithmetic number, because the mean of its divisors is an integer number (1652007744).

Almost surely, 2^42648831870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42648831870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52864247808).

42648831870 is an abundant number, since it is smaller than the sum of its proper divisors (63079663746).

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

42648831870 is a wasteful number, since it uses less digits than its factorization.

42648831870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30185.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 42648831870 in words is "forty-two billion, six hundred forty-eight million, eight hundred thirty-one thousand, eight hundred seventy".