21411762460 has 24 divisors (see below), whose sum is σ = 49052401776. Its totient is φ = 7786095360.

The previous prime is 21411762451. The next prime is 21411762461. The reversal of 21411762460 is 6426711412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411762461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48662877 + ... + 48663316.

It is an arithmetic number, because the mean of its divisors is an integer number (2043850074).

Almost surely, 2^21411762460 is an apocalyptic number.

21411762460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21411762460 is an abundant number, since it is smaller than the sum of its proper divisors (27640639316).

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

21411762460 is a wasteful number, since it uses less digits than its factorization.

21411762460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97326213 (or 97326211 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 21411762460 in words is "twenty-one billion, four hundred eleven million, seven hundred sixty-two thousand, four hundred sixty".