42500947398 has 128 divisors (see below), whose sum is σ = 107723105280. Its totient is φ = 10877898240.

The previous prime is 42500947387. The next prime is 42500947421. The reversal of 42500947398 is 89374900524.

It is a self number, because there is not a number n which added to its sum of digits gives 42500947398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8462128 + ... + 8467148.

It is an arithmetic number, because the mean of its divisors is an integer number (841586760).

Almost surely, 2^42500947398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42500947398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53861552640).

42500947398 is an abundant number, since it is smaller than the sum of its proper divisors (65222157882).

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

42500947398 is a wasteful number, since it uses less digits than its factorization.

42500947398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 42500947398 in words is "forty-two billion, five hundred million, nine hundred forty-seven thousand, three hundred ninety-eight".