1440936742 has 16 divisors (see below), whose sum is σ = 2470740480. Its totient is φ = 617403528.

The previous prime is 1440936733. The next prime is 1440936767. The reversal of 1440936742 is 2476390441.

It is a junction number, because it is equal to n+sod(n) for n = 1440936695 and 1440936704.

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, 72933 + ... + 90559.

It is an arithmetic number, because the mean of its divisors is an integer number (154421280).

Almost surely, 2^1440936742 is an apocalyptic number.

1440936742 is a deficient number, since it is larger than the sum of its proper divisors (1029803738).

1440936742 is a wasteful number, since it uses less digits than its factorization.

1440936742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23475.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1440936742 is about 37959.6725749841. The cubic root of 1440936742 is about 1129.4880449061.

The spelling of 1440936742 in words is "one billion, four hundred forty million, nine hundred thirty-six thousand, seven hundred forty-two".