1404436044 has 96 divisors (see below), whose sum is σ = 3646540800. Its totient is φ = 417130560.

The previous prime is 1404436037. The next prime is 1404436057. The reversal of 1404436044 is 4406344041.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3351667 + ... + 3352085.

It is an arithmetic number, because the mean of its divisors is an integer number (37984800).

Almost surely, 2^1404436044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404436044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823270400).

1404436044 is an abundant number, since it is smaller than the sum of its proper divisors (2242104756).

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

1404436044 is a wasteful number, since it uses less digits than its factorization.

1404436044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 1404436044 is about 37475.8061154126. The cubic root of 1404436044 is about 1119.8692566345.

The spelling of 1404436044 in words is "one billion, four hundred four million, four hundred thirty-six thousand, forty-four".