2658240155020 has 96 divisors (see below), whose sum is σ = 6080149555200. Its totient is φ = 972510105600.

The previous prime is 2658240154949. The next prime is 2658240155033. The reversal of 2658240155020 is 205510428562.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4666540 + ... + 5205100.

It is an arithmetic number, because the mean of its divisors is an integer number (63334891200).

Almost surely, 2^{2658240155020} is an apocalyptic number.

2658240155020 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 2658240155020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040074777600).

2658240155020 is an abundant number, since it is smaller than the sum of its proper divisors (3421909400180).

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

2658240155020 is a wasteful number, since it uses less digits than its factorization.

2658240155020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539039 (or 539037 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 2658240155020 in words is "two trillion, six hundred fifty-eight billion, two hundred forty million, one hundred fifty-five thousand, twenty".