1394044032 has 32 divisors (see below), whose sum is σ = 3702930480. Its totient is φ = 464681216.

The previous prime is 1394044031. The next prime is 1394044039. The reversal of 1394044032 is 2304404931.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1394044031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814778 + ... + 1815545.

Almost surely, 2^1394044032 is an apocalyptic number.

1394044032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394044032 is an abundant number, since it is smaller than the sum of its proper divisors (2308886448).

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

1394044032 is an equidigital number, since it uses as much as digits as its factorization.

1394044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630340 (or 3630328 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1394044032 is about 37336.8990678123. The cubic root of 1394044032 is about 1117.1002881582.

Adding to 1394044032 its reverse (2304404931), we get a palindrome (3698448963).

The spelling of 1394044032 in words is "one billion, three hundred ninety-four million, forty-four thousand, thirty-two".