1404446377 has 4 divisors (see below), whose sum is σ = 1416875220. Its totient is φ = 1392017536.

The previous prime is 1404446363. The next prime is 1404446467. The reversal of 1404446377 is 7736444041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7736444041 = 31 ⋅249562711.

It can be written as a sum of positive squares in 2 ways, for example, as 292957456 + 1111488921 = 17116^2 + 33339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404446377 - 2¹¹ = 1404444329 is a prime.

It is a super-2 number, since 2×1404446377² = 3944939251736852258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404446327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214252 + ... + 6214477.

It is an arithmetic number, because the mean of its divisors is an integer number (354218805).

Almost surely, 2^1404446377 is an apocalyptic number.

It is an amenable number.

1404446377 is a deficient number, since it is larger than the sum of its proper divisors (12428843).

1404446377 is a wasteful number, since it uses less digits than its factorization.

1404446377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428842.

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 1404446377 is about 37475.9439774370. The cubic root of 1404446377 is about 1119.8720030704.

The spelling of 1404446377 in words is "one billion, four hundred four million, four hundred forty-six thousand, three hundred seventy-seven".