21426460002 has 12 divisors (see below), whose sum is σ = 46423996710. Its totient is φ = 7142153328.

The previous prime is 21426459931. The next prime is 21426460019. The reversal of 21426460002 is 20006462412.

21426460002 is a `hidden beast` number, since 2 + 14 + 2 + 646 + 0 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19580125041 + 1846334961 = 139929^2 + 42969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595179427 + ... + 595179462.

Almost surely, 2^21426460002 is an apocalyptic number.

21426460002 is an abundant number, since it is smaller than the sum of its proper divisors (24997536708).

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

21426460002 is a wasteful number, since it uses less digits than its factorization.

21426460002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190358897 (or 1190358894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 21426460002 in words is "twenty-one billion, four hundred twenty-six million, four hundred sixty thousand, two".