1361444432 has 10 divisors (see below), whose sum is σ = 2637798618. Its totient is φ = 680722208.

The previous prime is 1361444429. The next prime is 1361444467. The reversal of 1361444432 is 2344441631.

It can be written as a sum of positive squares in only one way, i.e., 1016079376 + 345365056 = 31876^2 + 18584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42545123 + ... + 42545154.

Almost surely, 2^1361444432 is an apocalyptic number.

It is an amenable number.

1361444432 is a deficient number, since it is larger than the sum of its proper divisors (1276354186).

1361444432 is an equidigital number, since it uses as much as digits as its factorization.

1361444432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85090285 (or 85090279 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 1361444432 is about 36897.7564629613. The cubic root of 1361444432 is about 1108.3237507881.

The spelling of 1361444432 in words is "one billion, three hundred sixty-one million, four hundred forty-four thousand, four hundred thirty-two".