1404438852 has 12 divisors (see below), whose sum is σ = 3277024016. Its totient is φ = 468146280.

The previous prime is 1404438851. The next prime is 1404438869. The reversal of 1404438852 is 2588344041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1404438852.

It is not an unprimeable number, because it can be changed into a prime (1404438851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58518274 + ... + 58518297.

Almost surely, 2^1404438852 is an apocalyptic number.

1404438852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1404438852 is an abundant number, since it is smaller than the sum of its proper divisors (1872585164).

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

1404438852 is a wasteful number, since it uses less digits than its factorization.

1404438852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117036578 (or 117036576 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 1404438852 is about 37475.8435795647. The cubic root of 1404438852 is about 1119.8700029817.

The spelling of 1404438852 in words is "one billion, four hundred four million, four hundred thirty-eight thousand, eight hundred fifty-two".