21411565230 has 64 divisors (see below), whose sum is σ = 56090071296. Its totient is φ = 5187840000.

The previous prime is 21411565223. The next prime is 21411565247. The reversal of 21411565230 is 3256511412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620430 + ... + 654030.

It is an arithmetic number, because the mean of its divisors is an integer number (876407364).

Almost surely, 2^21411565230 is an apocalyptic number.

21411565230 is an abundant number, since it is smaller than the sum of its proper divisors (34678506066).

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

21411565230 is a wasteful number, since it uses less digits than its factorization.

21411565230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35553.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 21411565230 in words is "twenty-one billion, four hundred eleven million, five hundred sixty-five thousand, two hundred thirty".