21340130033404 has 48 divisors (see below), whose sum is σ = 47548300363200. Its totient is φ = 8151137197056.

The previous prime is 21340130033399. The next prime is 21340130033423. The reversal of 21340130033404 is 40433003104312.

It is a super-2 number, since 2×21340130033404² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010795149 + ... + 1010816260.

It is an arithmetic number, because the mean of its divisors is an integer number (990589590900).

Almost surely, 2^{21340130033404} is an apocalyptic number.

It is an amenable number.

21340130033404 is an abundant number, since it is smaller than the sum of its proper divisors (26208170329796).

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

21340130033404 is a wasteful number, since it uses less digits than its factorization.

21340130033404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021611462 (or 2021611460 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21340130033404 its reverse (40433003104312), we get a palindrome (61773133137716).

The spelling of 21340130033404 in words is "twenty-one trillion, three hundred forty billion, one hundred thirty million, thirty-three thousand, four hundred four".