1944268090 has 8 divisors (see below), whose sum is σ = 3499682580. Its totient is φ = 777707232.

The previous prime is 1944268063. The next prime is 1944268127. The reversal of 1944268090 is 908624491.

It can be written as a sum of positive squares in 2 ways, for example, as 1804295529 + 139972561 = 42477^2 + 11831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97213395 + ... + 97213414.

Almost surely, 2^1944268090 is an apocalyptic number.

1944268090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1944268090 is a deficient number, since it is larger than the sum of its proper divisors (1555414490).

1944268090 is a wasteful number, since it uses less digits than its factorization.

1944268090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194426816.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1944268090 is about 44093.8554676272. The cubic root of 1944268090 is about 1248.1076625595.

The spelling of 1944268090 in words is "one billion, nine hundred forty-four million, two hundred sixty-eight thousand, ninety".