1404159680 has 224 divisors, whose sum is σ = 4257446400. Its totient is φ = 437283840.

The previous prime is 1404159661. The next prime is 1404159689. The reversal of 1404159680 is 869514041.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (1404159689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1206779 + ... + 1207941.

Almost surely, 2^1404159680 is an apocalyptic number.

1404159680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404159680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128723200).

1404159680 is an abundant number, since it is smaller than the sum of its proper divisors (2853286720).

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

1404159680 is a wasteful number, since it uses less digits than its factorization.

1404159680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1404159680 is about 37472.1187017761. The cubic root of 1404159680 is about 1119.7957961041.

The spelling of 1404159680 in words is "one billion, four hundred four million, one hundred fifty-nine thousand, six hundred eighty".