1382446044 has 72 divisors (see below), whose sum is σ = 4086642560. Its totient is φ = 385795872.

The previous prime is 1382446033. The next prime is 1382446049. The reversal of 1382446044 is 4406442831.

1382446044 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 44 + 604 + 4 = 666.

It is a super-2 number, since 2×1382446044² = 3822314129142499872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382446049) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 52954 + ... + 74625.

Almost surely, 2^1382446044 is an apocalyptic number.

1382446044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1382446044 is an abundant number, since it is smaller than the sum of its proper divisors (2704196516).

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

1382446044 is a wasteful number, since it uses less digits than its factorization.

1382446044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127639 (or 127634 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 1382446044 is about 37181.2593116479. The cubic root of 1382446044 is about 1113.9936878300.

Adding to 1382446044 its reverse (4406442831), we get a palindrome (5788888875).

The spelling of 1382446044 in words is "one billion, three hundred eighty-two million, four hundred forty-six thousand, forty-four".