21404114402 has 32 divisors (see below), whose sum is σ = 35316200448. Its totient is φ = 9648450000.

The previous prime is 21404114399. The next prime is 21404114437. The reversal of 21404114402 is 20441140412.

It is a super-2 number, since 2×21404114402² (a number of 21 digits) contains 22 as substring.

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, 2091077 + ... + 2101287.

It is an arithmetic number, because the mean of its divisors is an integer number (1103631264).

Almost surely, 2^21404114402 is an apocalyptic number.

21404114402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21404114402 is a deficient number, since it is larger than the sum of its proper divisors (13912086046).

21404114402 is a wasteful number, since it uses less digits than its factorization.

21404114402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 21404114402 its reverse (20441140412), we get a palindrome (41845254814).

The spelling of 21404114402 in words is "twenty-one billion, four hundred four million, one hundred fourteen thousand, four hundred two".