1401332608 has 32 divisors (see below), whose sum is σ = 3006468360. Its totient is φ = 646768128.

The previous prime is 1401332591. The next prime is 1401332617. The reversal of 1401332608 is 8062331041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 419410 + ... + 422737.

Almost surely, 2^1401332608 is an apocalyptic number.

It is an amenable number.

1401332608 is an abundant number, since it is smaller than the sum of its proper divisors (1605135752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401332608 is an equidigital number, since it uses as much as digits as its factorization.

1401332608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842174 (or 842162 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1401332608 is about 37434.3773555805. The cubic root of 1401332608 is about 1119.0437756718.

Adding to 1401332608 its reverse (8062331041), we get a palindrome (9463663649).

The spelling of 1401332608 in words is "one billion, four hundred one million, three hundred thirty-two thousand, six hundred eight".