21232552462 has 16 divisors (see below), whose sum is σ = 34756225200. Its totient is φ = 9647813440.

The previous prime is 21232552447. The next prime is 21232552469. The reversal of 21232552462 is 26425523212.

It is a super-2 number, since 2×21232552462² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232552469) 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, 101887 + ... + 229882.

It is an arithmetic number, because the mean of its divisors is an integer number (2172264075).

Almost surely, 2^21232552462 is an apocalyptic number.

21232552462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21232552462 is a deficient number, since it is larger than the sum of its proper divisors (13523672738).

21232552462 is a wasteful number, since it uses less digits than its factorization.

21232552462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334691.

The product of its digits is 57600, while the sum is 34.

The spelling of 21232552462 in words is "twenty-one billion, two hundred thirty-two million, five hundred fifty-two thousand, four hundred sixty-two".