1404120721936 has 45 divisors (see below), whose sum is σ = 2767926588973. Its totient is φ = 690023577920.

The previous prime is 1404120721933. The next prime is 1404120722051. The reversal of 1404120721936 is 6391270214041.

The square root of 1404120721936 is 1184956.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1272032088336 + 132088633600 = 1127844^2 + 363440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404120721933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 279647106 + ... + 279652126.

Almost surely, 2^{1404120721936} is an apocalyptic number.

1404120721936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1404120721936 is the 1184956-th square number.

It is an amenable number.

1404120721936 is a deficient number, since it is larger than the sum of its proper divisors (1363805867037).

1404120721936 is an frugal number, since it uses more digits than its factorization.

1404120721936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 1404120721936 its reverse (6391270214041), we get a palindrome (7795390935977).

The spelling of 1404120721936 in words is "one trillion, four hundred four billion, one hundred twenty million, seven hundred twenty-one thousand, nine hundred thirty-six".