21403024412010 has 32 divisors (see below), whose sum is σ = 51408058726080. Its totient is φ = 5702939827968.

The previous prime is 21403024411961. The next prime is 21403024412027. The reversal of 21403024412010 is 1021442030412.

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, 283295887 + ... + 283371426.

It is an arithmetic number, because the mean of its divisors is an integer number (1606501835190).

Almost surely, 2^{21403024412010} is an apocalyptic number.

21403024412010 is an abundant number, since it is smaller than the sum of its proper divisors (30005034314070).

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

21403024412010 is a wasteful number, since it uses less digits than its factorization.

21403024412010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566668582.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21403024412010 its reverse (1021442030412), we get a palindrome (22424466442422).

The spelling of 21403024412010 in words is "twenty-one trillion, four hundred three billion, twenty-four million, four hundred twelve thousand, ten".