246042842640 has 160 divisors (see below), whose sum is σ = 871882410240. Its totient is φ = 56226250752.

The previous prime is 246042842597. The next prime is 246042842701. The reversal of 246042842640 is 46248240642.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 246042842592 and 246042842601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9490816 + ... + 9516704.

It is an arithmetic number, because the mean of its divisors is an integer number (5449265064).

Almost surely, 2^246042842640 is an apocalyptic number.

246042842640 is a gapful number since it is divisible by the number (20) 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 246042842640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435941205120).

246042842640 is an abundant number, since it is smaller than the sum of its proper divisors (625839567600).

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

246042842640 is a wasteful number, since it uses less digits than its factorization.

246042842640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31569 (or 31563 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 246042842640 in words is "two hundred forty-six billion, forty-two million, eight hundred forty-two thousand, six hundred forty".