2479068115840 has 128 divisors (see below), whose sum is σ = 6090845666400. Its totient is φ = 964334149632.

The previous prime is 2479068115813. The next prime is 2479068115861. The reversal of 2479068115840 is 485118609742.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2479068115840² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 6105394 + ... + 6498766.

Almost surely, 2^{2479068115840} is an apocalyptic number.

2479068115840 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 2479068115840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045422833200).

2479068115840 is an abundant number, since it is smaller than the sum of its proper divisors (3611777550560).

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

2479068115840 is a wasteful number, since it uses less digits than its factorization.

2479068115840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393664 (or 393652 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 2479068115840 in words is "two trillion, four hundred seventy-nine billion, sixty-eight million, one hundred fifteen thousand, eight hundred forty".