1404412344 has 160 divisors (see below), whose sum is σ = 4096266240. Its totient is φ = 449064000.

The previous prime is 1404412337. The next prime is 1404412349. The reversal of 1404412344 is 4432144041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404412349) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3033057 + ... + 3033519.

It is an arithmetic number, because the mean of its divisors is an integer number (25601664).

Almost surely, 2^1404412344 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 1404412344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048133120).

1404412344 is an abundant number, since it is smaller than the sum of its proper divisors (2691853896).

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

1404412344 is a wasteful number, since it uses less digits than its factorization.

1404412344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1404412344 is about 37475.4899100732. The cubic root of 1404412344 is about 1119.8629572968.

Adding to 1404412344 its reverse (4432144041), we get a palindrome (5836556385).

The spelling of 1404412344 in words is "one billion, four hundred four million, four hundred twelve thousand, three hundred forty-four".