1404366672 has 40 divisors (see below), whose sum is σ = 3726004576. Its totient is φ = 455469696.

The previous prime is 1404366661. The next prime is 1404366697. The reversal of 1404366672 is 2766634041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404366672.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 393598 + ... + 397149.

Almost surely, 2^1404366672 is an apocalyptic number.

1404366672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1404366672 is an abundant number, since it is smaller than the sum of its proper divisors (2321637904).

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

1404366672 is a wasteful number, since it uses less digits than its factorization.

1404366672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790795 (or 790789 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 1404366672 is about 37474.8805468410. The cubic root of 1404366672 is about 1119.8508177151.

The spelling of 1404366672 in words is "one billion, four hundred four million, three hundred sixty-six thousand, six hundred seventy-two".