1404545832 has 96 divisors (see below), whose sum is σ = 3976627200. Its totient is φ = 464413824.

The previous prime is 1404545827. The next prime is 1404545833. The reversal of 1404545832 is 2385454041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1404545833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244044 + ... + 249732.

It is an arithmetic number, because the mean of its divisors is an integer number (41423200).

Almost surely, 2^1404545832 is an apocalyptic number.

1404545832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404545832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988313600).

1404545832 is an abundant number, since it is smaller than the sum of its proper divisors (2572081368).

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

1404545832 is a wasteful number, since it uses less digits than its factorization.

1404545832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837 (or 5821 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 1404545832 is about 37477.2708718231. The cubic root of 1404545832 is about 1119.8984367938.

Adding to 1404545832 its reverse (2385454041), we get a palindrome (3789999873).

The spelling of 1404545832 in words is "one billion, four hundred four million, five hundred forty-five thousand, eight hundred thirty-two".