21041233248 has 96 divisors (see below), whose sum is σ = 64193713920. Its totient is φ = 5909875200.

The previous prime is 21041233247. The next prime is 21041233259. The reversal of 21041233248 is 84233214012.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041233247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225703 + ... + 304998.

It is an arithmetic number, because the mean of its divisors is an integer number (668684520).

Almost surely, 2^21041233248 is an apocalyptic number.

21041233248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

21041233248 is an abundant number, since it is smaller than the sum of its proper divisors (43152480672).

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

21041233248 is a wasteful number, since it uses less digits than its factorization.

21041233248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530780 (or 530772 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 21041233248 in words is "twenty-one billion, forty-one million, two hundred thirty-three thousand, two hundred forty-eight".