1440429696 has 128 divisors (see below), whose sum is σ = 4279022400. Its totient is φ = 477010944.

The previous prime is 1440429643. The next prime is 1440429733. The reversal of 1440429696 is 6969240441.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562050 + ... + 564606.

Almost surely, 2^1440429696 is an apocalyptic number.

1440429696 is a gapful number since it is divisible by the number (16) 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 1440429696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139511200).

1440429696 is an abundant number, since it is smaller than the sum of its proper divisors (2838592704).

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

1440429696 is a wasteful number, since it uses less digits than its factorization.

1440429696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1440429696 is about 37952.9932416404. The cubic root of 1440429696 is about 1129.3555455472.

It can be divided in two parts, 14404 and 29696, that added together give a square (44100 = 210²).

The spelling of 1440429696 in words is "one billion, four hundred forty million, four hundred twenty-nine thousand, six hundred ninety-six".