21441276036 has 36 divisors (see below), whose sum is σ = 54210828672. Its totient is φ = 7145503344.

The previous prime is 21441276023. The next prime is 21441276037. The reversal of 21441276036 is 63067214412.

21441276036 is a `hidden beast` number, since 2 + 1 + 4 + 41 + 2 + 7 + 603 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (21441276037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104005 + ... + 231731.

It is an arithmetic number, because the mean of its divisors is an integer number (1505856352).

Almost surely, 2^21441276036 is an apocalyptic number.

It is an amenable number.

21441276036 is an abundant number, since it is smaller than the sum of its proper divisors (32769552636).

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

21441276036 is a wasteful number, since it uses less digits than its factorization.

21441276036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132400 (or 132395 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 21441276036 in words is "twenty-one billion, four hundred forty-one million, two hundred seventy-six thousand, thirty-six".