21276033024246 has 96 divisors (see below), whose sum is σ = 57446760860928. Its totient is φ = 5101146760320.

The previous prime is 21276033024241. The next prime is 21276033024329. The reversal of 21276033024246 is 64242033067212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 21276033024198 and 21276033024207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21276033024241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136170501 + ... + 136326656.

It is an arithmetic number, because the mean of its divisors is an integer number (598403758968).

Almost surely, 2^{21276033024246} is an apocalyptic number.

21276033024246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

21276033024246 is an abundant number, since it is smaller than the sum of its proper divisors (36170727836682).

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

21276033024246 is a wasteful number, since it uses less digits than its factorization.

21276033024246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272497206 (or 272497193 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 21276033024246 in words is "twenty-one trillion, two hundred seventy-six billion, thirty-three million, twenty-four thousand, two hundred forty-six".