21462010255 has 16 divisors (see below), whose sum is σ = 29461723200. Its totient is φ = 14702752512.

The previous prime is 21462010243. The next prime is 21462010259. The reversal of 21462010255 is 55201026412.

It is not a de Polignac number, because 21462010255 - 2⁷ = 21462010127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21462010259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255564 + ... + 328993.

It is an arithmetic number, because the mean of its divisors is an integer number (1841357700).

Almost surely, 2^21462010255 is an apocalyptic number.

21462010255 is a deficient number, since it is larger than the sum of its proper divisors (7999712945).

21462010255 is a wasteful number, since it uses less digits than its factorization.

21462010255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585618.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 21462010255 its reverse (55201026412), we get a palindrome (76663036667).

The spelling of 21462010255 in words is "twenty-one billion, four hundred sixty-two million, ten thousand, two hundred fifty-five".