18276477035420 has 12 divisors (see below), whose sum is σ = 38380601774424. Its totient is φ = 7310590814160.

The previous prime is 18276477035407. The next prime is 18276477035437. The reversal of 18276477035420 is 2453077467281.

It is a super-2 number, since 2×18276477035420² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456911925866 + ... + 456911925905.

It is an arithmetic number, because the mean of its divisors is an integer number (3198383481202).

Almost surely, 2^{18276477035420} is an apocalyptic number.

18276477035420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18276477035420 is an abundant number, since it is smaller than the sum of its proper divisors (20104124739004).

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

18276477035420 is a wasteful number, since it uses less digits than its factorization.

18276477035420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913823851780 (or 913823851778 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 18276477035420 in words is "eighteen trillion, two hundred seventy-six billion, four hundred seventy-seven million, thirty-five thousand, four hundred twenty".