2540377818804 has 96 divisors (see below), whose sum is σ = 6869768645376. Its totient is φ = 715605442560.

The previous prime is 2540377818761. The next prime is 2540377818833. The reversal of 2540377818804 is 4088187730452.

2540377818804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 16214764 + ... + 16370684.

It is an arithmetic number, because the mean of its divisors is an integer number (71560090056).

Almost surely, 2^{2540377818804} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540377818804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3434884322688).

2540377818804 is an abundant number, since it is smaller than the sum of its proper divisors (4329390826572).

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

2540377818804 is a wasteful number, since it uses less digits than its factorization.

2540377818804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158665 (or 158663 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 2540377818804 in words is "two trillion, five hundred forty billion, three hundred seventy-seven million, eight hundred eighteen thousand, eight hundred four".