2405541005540 has 12 divisors (see below), whose sum is σ = 5051636111676. Its totient is φ = 962216402208.

The previous prime is 2405541005537. The next prime is 2405541005551. The reversal of 2405541005540 is 455001455042.

It can be written as a sum of positive squares in 2 ways, for example, as 833105260516 + 1572435745024 = 912746^2 + 1253968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2405541005540.

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 3 ways as a sum of consecutive naturals, for example, 60138525119 + ... + 60138525158.

It is an arithmetic number, because the mean of its divisors is an integer number (420969675973).

Almost surely, 2^{2405541005540} is an apocalyptic number.

2405541005540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405541005540 is an abundant number, since it is smaller than the sum of its proper divisors (2646095106136).

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

2405541005540 is a wasteful number, since it uses less digits than its factorization.

2405541005540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120277050286 (or 120277050284 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 2405541005540 in words is "two trillion, four hundred five billion, five hundred forty-one million, five thousand, five hundred forty".