42998264064 has 216 divisors, whose sum is σ = 142075594752. Its totient is φ = 12251381760.

The previous prime is 42998264009. The next prime is 42998264077. The reversal of 42998264064 is 46046289924.

It is a self number, because there is not a number n which added to its sum of digits gives 42998264064.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6173544 + ... + 6180504.

Almost surely, 2^42998264064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42998264064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71037797376).

42998264064 is an abundant number, since it is smaller than the sum of its proper divisors (99077330688).

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

42998264064 is a wasteful number, since it uses less digits than its factorization.

42998264064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 42998264064 in words is "forty-two billion, nine hundred ninety-eight million, two hundred sixty-four thousand, sixty-four".