18265708391460 has 48 divisors (see below), whose sum is σ = 51367319707200. Its totient is φ = 4849585455744.

The previous prime is 18265708391449. The next prime is 18265708391467. The reversal of 18265708391460 is 6419380756281.

It is a happy number.

It is a super-2 number, since 2×18265708391460² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 18265708391394 and 18265708391403.

It is not an unprimeable number, because it can be changed into a prime (18265708391467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664677250 + ... + 664704729.

It is an arithmetic number, because the mean of its divisors is an integer number (1070152493900).

It is a 2-persistent number, because it is pandigital, and so is 2⋅18265708391460 = 36531416782920, but 3⋅18265708391460 = 54797125174380 is not.

Almost surely, 2^{18265708391460} is an apocalyptic number.

18265708391460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18265708391460 is an abundant number, since it is smaller than the sum of its proper divisors (33101611315740).

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

18265708391460 is a wasteful number, since it uses less digits than its factorization.

18265708391460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329382220 (or 1329382218 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 18265708391460 in words is "eighteen trillion, two hundred sixty-five billion, seven hundred eight million, three hundred ninety-one thousand, four hundred sixty".