2542145140000 has 120 divisors (see below), whose sum is σ = 6406598441628. Its totient is φ = 992056320000.

The previous prime is 2542145139997. The next prime is 2542145140001. The reversal of 2542145140000 is 415412452.

It can be written as a sum of positive squares in 10 ways, for example, as 151324112016 + 2390821027984 = 389004^2 + 1546228^2 .

It is not an unprimeable number, because it can be changed into a prime (2542145140001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 730089 + ... + 2370088.

Almost surely, 2^{2542145140000} is an apocalyptic number.

2542145140000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542145140000 is an abundant number, since it is smaller than the sum of its proper divisors (3864453301628).

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

2542145140000 is an equidigital number, since it uses as much as digits as its factorization.

2542145140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100248 (or 3100225 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 2542145140000 in words is "two trillion, five hundred forty-two billion, one hundred forty-five million, one hundred forty thousand".