21410430040 has 32 divisors (see below), whose sum is σ = 48178035360. Its totient is φ = 8563360000.

The previous prime is 21410430017. The next prime is 21410430043. The reversal of 21410430040 is 4003401412.

It is a super-4 number, since 4×21410430040⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580140 + ... + 615940.

It is an arithmetic number, because the mean of its divisors is an integer number (1505563605).

Almost surely, 2^21410430040 is an apocalyptic number.

21410430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21410430040 is an abundant number, since it is smaller than the sum of its proper divisors (26767605320).

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

21410430040 is a wasteful number, since it uses less digits than its factorization.

21410430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50763 (or 50759 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21410430040 its reverse (4003401412), we get a palindrome (25413831452).

The spelling of 21410430040 in words is "twenty-one billion, four hundred ten million, four hundred thirty thousand, forty".