1401440908 has 24 divisors (see below), whose sum is σ = 2803852800. Its totient is φ = 600409488.

The previous prime is 1401440891. The next prime is 1401440923. The reversal of 1401440908 is 8090441041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401440908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95613 + ... + 109291.

It is an arithmetic number, because the mean of its divisors is an integer number (116827200).

Almost surely, 2^1401440908 is an apocalyptic number.

It is an amenable number.

1401440908 is an abundant number, since it is smaller than the sum of its proper divisors (1402411892).

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

1401440908 is a wasteful number, since it uses less digits than its factorization.

1401440908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17349 (or 17347 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1401440908 is about 37435.8238589723. The cubic root of 1401440908 is about 1119.0726028320.

Adding to 1401440908 its reverse (8090441041), we get a palindrome (9491881949).

The spelling of 1401440908 in words is "one billion, four hundred one million, four hundred forty thousand, nine hundred eight".