1401276404 has 48 divisors (see below), whose sum is σ = 2802643200. Its totient is φ = 607152000.

The previous prime is 1401276379. The next prime is 1401276407. The reversal of 1401276404 is 4046721041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401276407) 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 15 ways as a sum of consecutive naturals, for example, 93854 + ... + 107754.

It is an arithmetic number, because the mean of its divisors is an integer number (58388400).

Almost surely, 2^1401276404 is an apocalyptic number.

It is an amenable number.

1401276404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1401276404 is a wasteful number, since it uses less digits than its factorization.

1401276404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024 (or 14022 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1401276404 is about 37433.6266477081. The cubic root of 1401276404 is about 1119.0288147751.

Adding to 1401276404 its reverse (4046721041), we get a palindrome (5447997445).

The spelling of 1401276404 in words is "one billion, four hundred one million, two hundred seventy-six thousand, four hundred four".