1401839012 has 12 divisors (see below), whose sum is σ = 2803678080. Its totient is φ = 600788136.

The previous prime is 1401839009. The next prime is 1401839039. The reversal of 1401839012 is 2109381041.

1401839012 is an admirable number.

It is a super-2 number, since 2×1401839012² = 3930305231130272288, which contains 22 as substring.

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, 25032812 + ... + 25032867.

It is an arithmetic number, because the mean of its divisors is an integer number (233639840).

Almost surely, 2^1401839012 is an apocalyptic number.

It is an amenable number.

1401839012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1401839012 is a wasteful number, since it uses less digits than its factorization.

1401839012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50065690 (or 50065688 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1401839012 is about 37441.1406343343. The cubic root of 1401839012 is about 1119.1785569014.

The spelling of 1401839012 in words is "one billion, four hundred one million, eight hundred thirty-nine thousand, twelve".