2605245360440 has 64 divisors (see below), whose sum is σ = 5868617227200. Its totient is φ = 1040887093248.

The previous prime is 2605245360433. The next prime is 2605245360461. The reversal of 2605245360440 is 440635425062.

2605245360440 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 15 ways as a sum of consecutive naturals, for example, 279558101 + ... + 279567419.

It is an arithmetic number, because the mean of its divisors is an integer number (91697144175).

Almost surely, 2^{2605245360440} is an apocalyptic number.

2605245360440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605245360440 is an abundant number, since it is smaller than the sum of its proper divisors (3263371866760).

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

2605245360440 is a wasteful number, since it uses less digits than its factorization.

2605245360440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16704 (or 16700 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 2605245360440 in words is "two trillion, six hundred five billion, two hundred forty-five million, three hundred sixty thousand, four hundred forty".