21250641460192 has 48 divisors (see below), whose sum is σ = 43568971673472. Its totient is φ = 10191572213760.

The previous prime is 21250641460171. The next prime is 21250641460193. The reversal of 21250641460192 is 29106414605212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21250641460193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94675593 + ... + 94899784.

It is an arithmetic number, because the mean of its divisors is an integer number (907686909864).

Almost surely, 2^{21250641460192} is an apocalyptic number.

It is an amenable number.

21250641460192 is an abundant number, since it is smaller than the sum of its proper divisors (22318330213280).

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

21250641460192 is a wasteful number, since it uses less digits than its factorization.

21250641460192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189575531 (or 189575523 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 21250641460192 in words is "twenty-one trillion, two hundred fifty billion, six hundred forty-one million, four hundred sixty thousand, one hundred ninety-two".