21463106040 has 96 divisors (see below), whose sum is σ = 73426438800. Its totient is φ = 5422256640.

The previous prime is 21463105991. The next prime is 21463106107. The reversal of 21463106040 is 4060136412.

21463106040 is a `hidden beast` number, since 2 + 1 + 46 + 3 + 10 + 604 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21463105995 and 21463106013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1562101 + ... + 1575780.

Almost surely, 2^21463106040 is an apocalyptic number.

21463106040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21463106040 is an abundant number, since it is smaller than the sum of its proper divisors (51963332760).

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

21463106040 is a wasteful number, since it uses less digits than its factorization.

21463106040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137917 (or 3137910 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 21463106040 in words is "twenty-one billion, four hundred sixty-three million, one hundred six thousand, forty".