1728223650254 has 32 divisors (see below), whose sum is σ = 2608961140800. Its totient is φ = 858593820672.

The previous prime is 1728223650233. The next prime is 1728223650271. The reversal of 1728223650254 is 4520563228271.

It is a super-2 number, since 2×1728223650254² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1728223650199 and 1728223650208.

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, 224353367 + ... + 224361069.

It is an arithmetic number, because the mean of its divisors is an integer number (81530035650).

Almost surely, 2^{1728223650254} is an apocalyptic number.

1728223650254 is a deficient number, since it is larger than the sum of its proper divisors (880737490546).

1728223650254 is a wasteful number, since it uses less digits than its factorization.

1728223650254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 1728223650254 in words is "one trillion, seven hundred twenty-eight billion, two hundred twenty-three million, six hundred fifty thousand, two hundred fifty-four".