1401144332 has 48 divisors (see below), whose sum is σ = 2876063232. Its totient is φ = 584737920.

The previous prime is 1401144313. The next prime is 1401144343. The reversal of 1401144332 is 2334411041.

It is a junction number, because it is equal to n+sod(n) for n = 1401144298 and 1401144307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944063 + ... + 945545.

It is an arithmetic number, because the mean of its divisors is an integer number (59917984).

Almost surely, 2^1401144332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401144332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438031616).

1401144332 is an abundant number, since it is smaller than the sum of its proper divisors (1474918900).

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

1401144332 is a wasteful number, since it uses less digits than its factorization.

1401144332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1401144332 is about 37431.8625237911. The cubic root of 1401144332 is about 1118.9936570630.

Adding to 1401144332 its reverse (2334411041), we get a palindrome (3735555373).

The spelling of 1401144332 in words is "one billion, four hundred one million, one hundred forty-four thousand, three hundred thirty-two".