42427966830 has 128 divisors (see below), whose sum is σ = 107184135168. Its totient is φ = 10727980032.

The previous prime is 42427966811. The next prime is 42427966849. The reversal of 42427966830 is 3866972424.

It is an interprime number because it is at equal distance from previous prime (42427966811) and next prime (42427966849).

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 63 ways as a sum of consecutive naturals, for example, 62119669 + ... + 62120351.

It is an arithmetic number, because the mean of its divisors is an integer number (837376056).

Almost surely, 2^42427966830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42427966830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53592067584).

42427966830 is an abundant number, since it is smaller than the sum of its proper divisors (64756168338).

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

42427966830 is a wasteful number, since it uses less digits than its factorization.

42427966830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 42427966830 in words is "forty-two billion, four hundred twenty-seven million, nine hundred sixty-six thousand, eight hundred thirty".