1401404606 has 48 divisors (see below), whose sum is σ = 2496134880. Its totient is φ = 588208320.

The previous prime is 1401404561. The next prime is 1401404611. The reversal of 1401404606 is 6064041041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2145776 + ... + 2146428.

It is an arithmetic number, because the mean of its divisors is an integer number (52002810).

Almost surely, 2^1401404606 is an apocalyptic number.

1401404606 is a deficient number, since it is larger than the sum of its proper divisors (1094730274).

1401404606 is a wasteful number, since it uses less digits than its factorization.

1401404606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1401404606 is about 37435.3389994000. The cubic root of 1401404606 is about 1119.0629401760.

Adding to 1401404606 its reverse (6064041041), we get a palindrome (7465445647).

The spelling of 1401404606 in words is "one billion, four hundred one million, four hundred four thousand, six hundred six".