1404342144 has 64 divisors (see below), whose sum is σ = 4144770000. Its totient is φ = 468112896.

The previous prime is 1404342109. The next prime is 1404342161. The reversal of 1404342144 is 4412434041.

1404342144 is a `hidden beast` number, since 14 + 0 + 434 + 214 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199719 + ... + 206630.

Almost surely, 2^1404342144 is an apocalyptic number.

It is an amenable number.

1404342144 is an abundant number, since it is smaller than the sum of its proper divisors (2740427856).

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

1404342144 is an equidigital number, since it uses as much as digits as its factorization.

1404342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406372 (or 406354 counting only the distinct ones).

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

The square root of 1404342144 is about 37474.5532861968. The cubic root of 1404342144 is about 1119.8442980833.

Adding to 1404342144 its reverse (4412434041), we get a palindrome (5816776185).

The spelling of 1404342144 in words is "one billion, four hundred four million, three hundred forty-two thousand, one hundred forty-four".