1395044016 has 40 divisors (see below), whose sum is σ = 3653240880. Its totient is φ = 458643456.

The previous prime is 1395043999. The next prime is 1395044023. The reversal of 1395044016 is 6104405931.

It is a super-2 number, since 2×1395044016² = 3892295613154816512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195561 + ... + 202568.

It is an arithmetic number, because the mean of its divisors is an integer number (91331022).

Almost surely, 2^1395044016 is an apocalyptic number.

1395044016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1395044016 is an abundant number, since it is smaller than the sum of its proper divisors (2258196864).

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

1395044016 is a wasteful number, since it uses less digits than its factorization.

1395044016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398213 (or 398207 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1395044016 is about 37350.2880310179. The cubic root of 1395044016 is about 1117.3673326684.

Adding to 1395044016 its reverse (6104405931), we get a palindrome (7499449947).

The spelling of 1395044016 in words is "one billion, three hundred ninety-five million, forty-four thousand, sixteen".