2265530818390 has 64 divisors (see below), whose sum is σ = 4966623350784. Its totient is φ = 727173393408.

The previous prime is 2265530818379. The next prime is 2265530818477. The reversal of 2265530818390 is 938180355622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14894139 + ... + 15045478.

It is an arithmetic number, because the mean of its divisors is an integer number (77603489856).

Almost surely, 2^{2265530818390} is an apocalyptic number.

2265530818390 is an abundant number, since it is smaller than the sum of its proper divisors (2701092532394).

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

2265530818390 is a wasteful number, since it uses less digits than its factorization.

2265530818390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29939701.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 2265530818390 in words is "two trillion, two hundred sixty-five billion, five hundred thirty million, eight hundred eighteen thousand, three hundred ninety".