21410000140 has 72 divisors (see below), whose sum is σ = 46608019920. Its totient is φ = 8256882816.

The previous prime is 21410000123. The next prime is 21410000153. The reversal of 21410000140 is 4100001412.

It is a self number, because there is not a number n which added to its sum of digits gives 21410000140.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5365266 + ... + 5369254.

It is an arithmetic number, because the mean of its divisors is an integer number (647333610).

Almost surely, 2^21410000140 is an apocalyptic number.

21410000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21410000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23304009960).

21410000140 is an abundant number, since it is smaller than the sum of its proper divisors (25198019780).

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

21410000140 is a wasteful number, since it uses less digits than its factorization.

21410000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199 (or 4118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21410000140 its reverse (4100001412), we get a palindrome (25510001552).

The spelling of 21410000140 in words is "twenty-one billion, four hundred ten million, one hundred forty", and thus it is an aban number.