1401442330 has 8 divisors (see below), whose sum is σ = 2522596212. Its totient is φ = 560576928.

The previous prime is 1401442307. The next prime is 1401442351. The reversal of 1401442330 is 332441041.

It can be written as a sum of positive squares in 2 ways, for example, as 1163696769 + 237745561 = 34113^2 + 15419^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70072107 + ... + 70072126.

Almost surely, 2^1401442330 is an apocalyptic number.

1401442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401442330 is a deficient number, since it is larger than the sum of its proper divisors (1121153882).

1401442330 is a wasteful number, since it uses less digits than its factorization.

1401442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140144240.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1401442330 is about 37435.8428514706. The cubic root of 1401442330 is about 1119.0729813284.

Adding to 1401442330 its reverse (332441041), we get a palindrome (1733883371).

The spelling of 1401442330 in words is "one billion, four hundred one million, four hundred forty-two thousand, three hundred thirty".