1401433044 has 48 divisors (see below), whose sum is σ = 3587054016. Its totient is φ = 422323200.

The previous prime is 1401433039. The next prime is 1401433051. The reversal of 1401433044 is 4403341041.

It is a congruent number.

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, 5437 + ... + 53220.

It is an arithmetic number, because the mean of its divisors is an integer number (74730292).

Almost surely, 2^1401433044 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 1401433044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793527008).

1401433044 is an abundant number, since it is smaller than the sum of its proper divisors (2185620972).

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

1401433044 is a wasteful number, since it uses less digits than its factorization.

1401433044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58856 (or 58854 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1401433044 is about 37435.7188257418. The cubic root of 1401433044 is about 1119.0705096522.

Adding to 1401433044 its reverse (4403341041), we get a palindrome (5804774085).

The spelling of 1401433044 in words is "one billion, four hundred one million, four hundred thirty-three thousand, forty-four".