1623041444 has 12 divisors (see below), whose sum is σ = 2841793500. Its totient is φ = 811100448.

The previous prime is 1623041429. The next prime is 1623041447. The reversal of 1623041444 is 4441403261.

It can be written as a sum of positive squares in 2 ways, for example, as 701190400 + 921851044 = 26480^2 + 30362^2 .

It is not an unprimeable number, because it can be changed into a prime (1623041447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96299 + ... + 111890.

It is an arithmetic number, because the mean of its divisors is an integer number (236816125).

Almost surely, 2^1623041444 is an apocalyptic number.

It is an amenable number.

1623041444 is a deficient number, since it is larger than the sum of its proper divisors (1218752056).

1623041444 is a wasteful number, since it uses less digits than its factorization.

1623041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210142 (or 210140 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1623041444 is about 40286.9885198683. The cubic root of 1623041444 is about 1175.1948236479.

The spelling of 1623041444 in words is "one billion, six hundred twenty-three million, forty-one thousand, four hundred forty-four".