1444454090 has 16 divisors (see below), whose sum is σ = 2600657280. Its totient is φ = 577639440.

The previous prime is 1444454087. The next prime is 1444454093. The reversal of 1444454090 is 904544441.

It is an interprime number because it is at equal distance from previous prime (1444454087) and next prime (1444454093).

It is a super-3 number, since 3×1444454090³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1444454090.

It is not an unprimeable number, because it can be changed into a prime (1444454093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31355 + ... + 62225.

It is an arithmetic number, because the mean of its divisors is an integer number (162541080).

Almost surely, 2^1444454090 is an apocalyptic number.

1444454090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444454090 is a deficient number, since it is larger than the sum of its proper divisors (1156203190).

1444454090 is a wasteful number, since it uses less digits than its factorization.

1444454090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35557.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 1444454090 is about 38005.9743987705. The cubic root of 1444454090 is about 1130.4063304954.

The spelling of 1444454090 in words is "one billion, four hundred forty-four million, four hundred fifty-four thousand, ninety".