21460141254 has 32 divisors (see below), whose sum is σ = 43167168000. Its totient is φ = 7112327264.

The previous prime is 21460141253. The next prime is 21460141271. The reversal of 21460141254 is 45214106412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21460141253) 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, 933652 + ... + 956360.

It is an arithmetic number, because the mean of its divisors is an integer number (1348974000).

Almost surely, 2^21460141254 is an apocalyptic number.

21460141254 is an abundant number, since it is smaller than the sum of its proper divisors (21707026746).

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

21460141254 is a wasteful number, since it uses less digits than its factorization.

21460141254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23612.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 21460141254 its reverse (45214106412), we get a palindrome (66674247666).

The spelling of 21460141254 in words is "twenty-one billion, four hundred sixty million, one hundred forty-one thousand, two hundred fifty-four".