42471564234 has 128 divisors (see below), whose sum is σ = 98803584000. Its totient is φ = 12036211200.

The previous prime is 42471564217. The next prime is 42471564277. The reversal of 42471564234 is 43246517424.

It is a happy number.

It is a Curzon 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, 37618182 + ... + 37619310.

It is an arithmetic number, because the mean of its divisors is an integer number (771903000).

Almost surely, 2^42471564234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42471564234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49401792000).

42471564234 is an abundant number, since it is smaller than the sum of its proper divisors (56332019766).

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

42471564234 is a wasteful number, since it uses less digits than its factorization.

42471564234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its digits is 645120, while the sum is 42.

The spelling of 42471564234 in words is "forty-two billion, four hundred seventy-one million, five hundred sixty-four thousand, two hundred thirty-four".