1404020534421 has 8 divisors (see below), whose sum is σ = 1872130758784. Its totient is φ = 935961999840.

The previous prime is 1404020534407. The next prime is 1404020534429. The reversal of 1404020534421 is 1244350204041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1404020534421 - 2²² = 1404016340117 is a prime.

It is a super-2 number, since 2×1404020534421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404020534429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12859021 + ... + 12967746.

It is an arithmetic number, because the mean of its divisors is an integer number (234016344848).

Almost surely, 2^{1404020534421} is an apocalyptic number.

It is an amenable number.

1404020534421 is a deficient number, since it is larger than the sum of its proper divisors (468110224363).

1404020534421 is a wasteful number, since it uses less digits than its factorization.

1404020534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25844891.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1404020534421 its reverse (1244350204041), we get a palindrome (2648370738462).

The spelling of 1404020534421 in words is "one trillion, four hundred four billion, twenty million, five hundred thirty-four thousand, four hundred twenty-one".