21462406504026 has 16 divisors (see below), whose sum is σ = 42935138969184. Its totient is φ = 7152414507824.

The previous prime is 21462406504009. The next prime is 21462406504037. The reversal of 21462406504026 is 62040560426412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430221360 + ... + 430271243.

It is an arithmetic number, because the mean of its divisors is an integer number (2683446185574).

Almost surely, 2^{21462406504026} is an apocalyptic number.

21462406504026 is an abundant number, since it is smaller than the sum of its proper divisors (21472732465158).

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

21462406504026 is a wasteful number, since it uses less digits than its factorization.

21462406504026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860496765.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 21462406504026 in words is "twenty-one trillion, four hundred sixty-two billion, four hundred six million, five hundred four thousand, twenty-six".