1404481481 has 8 divisors (see below), whose sum is σ = 1514145864. Its totient is φ = 1295049600.

The previous prime is 1404481471. The next prime is 1404481511. The reversal of 1404481481 is 1841844041.

It can be written as a sum of positive squares in 4 ways, for example, as 1229881 + 1403251600 = 1109^2 + 37460^2 .

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

It is not a de Polignac number, because 1404481481 - 2⁶ = 1404481417 is a prime.

It is a super-2 number, since 2×1404481481² = 3945136460943906722, which contains 22 as substring.

It is a Duffinian number.

1404481481 is a modest number, since divided by 481481 gives 1404 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1404481451) 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, 45470 + ... + 69831.

It is an arithmetic number, because the mean of its divisors is an integer number (189268233).

Almost surely, 2^1404481481 is an apocalyptic number.

It is an amenable number.

1404481481 is a deficient number, since it is larger than the sum of its proper divisors (109664383).

1404481481 is a wasteful number, since it uses less digits than its factorization.

1404481481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116251.

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 1404481481 is about 37476.4123282899. The cubic root of 1404481481 is about 1119.8813333564.

The spelling of 1404481481 in words is "one billion, four hundred four million, four hundred eighty-one thousand, four hundred eighty-one".