21477225363360 has 192 divisors, whose sum is σ = 74634366401280. Its totient is φ = 5157757624320.

The previous prime is 21477225363343. The next prime is 21477225363439. The reversal of 21477225363360 is 6336352277412.

It is a super-2 number, since 2×21477225363360² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41718100 + ... + 42229779.

It is an arithmetic number, because the mean of its divisors is an integer number (388720658340).

Almost surely, 2^{21477225363360} is an apocalyptic number.

21477225363360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21477225363360 is an abundant number, since it is smaller than the sum of its proper divisors (53157141037920).

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

21477225363360 is a wasteful number, since it uses less digits than its factorization.

21477225363360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83947951 (or 83947943 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 21477225363360 in words is "twenty-one trillion, four hundred seventy-seven billion, two hundred twenty-five million, three hundred sixty-three thousand, three hundred sixty".