42898999680 has 320 divisors, whose sum is σ = 154393976880. Its totient is φ = 11350609920.

The previous prime is 42898999609. The next prime is 42898999697. The reversal of 42898999680 is 8699989824.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 42898999599 and 42898999608.

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 39 ways as a sum of consecutive naturals, for example, 6787882 + ... + 6794198.

Almost surely, 2^42898999680 is an apocalyptic number.

42898999680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42898999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77196988440).

42898999680 is an abundant number, since it is smaller than the sum of its proper divisors (111494977200).

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

42898999680 is a wasteful number, since it uses less digits than its factorization.

42898999680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 72.

The spelling of 42898999680 in words is "forty-two billion, eight hundred ninety-eight million, nine hundred ninety-nine thousand, six hundred eighty".