21242414048 has 24 divisors (see below), whose sum is σ = 44022109320. Its totient is φ = 10062195840.

The previous prime is 21242414027. The next prime is 21242414111. The reversal of 21242414048 is 84041424212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17468483 + ... + 17469698.

It is an arithmetic number, because the mean of its divisors is an integer number (1834254555).

Almost surely, 2^21242414048 is an apocalyptic number.

It is an amenable number.

21242414048 is an abundant number, since it is smaller than the sum of its proper divisors (22779695272).

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

21242414048 is a wasteful number, since it uses less digits than its factorization.

21242414048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34938210 (or 34938202 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 21242414048 in words is "twenty-one billion, two hundred forty-two million, four hundred fourteen thousand, forty-eight".