1401020344 has 32 divisors (see below), whose sum is σ = 2746800000. Its totient is φ = 668666592.

The previous prime is 1401020339. The next prime is 1401020359. The reversal of 1401020344 is 4430201041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84187 + ... + 99445.

It is an arithmetic number, because the mean of its divisors is an integer number (85837500).

Almost surely, 2^1401020344 is an apocalyptic number.

It is an amenable number.

1401020344 is a deficient number, since it is larger than the sum of its proper divisors (1345779656).

1401020344 is a wasteful number, since it uses less digits than its factorization.

1401020344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15787 (or 15783 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1401020344 is about 37430.2063045343. The cubic root of 1401020344 is about 1118.9606493100.

Adding to 1401020344 its reverse (4430201041), we get a palindrome (5831221385).

The spelling of 1401020344 in words is "one billion, four hundred one million, twenty thousand, three hundred forty-four".