1401544344 has 16 divisors (see below), whose sum is σ = 3503860920. Its totient is φ = 467181440.

The previous prime is 1401544343. The next prime is 1401544373. The reversal of 1401544344 is 4434451041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401544343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29198817 + ... + 29198864.

Almost surely, 2^1401544344 is an apocalyptic number.

It is an amenable number.

1401544344 is an abundant number, since it is smaller than the sum of its proper divisors (2102316576).

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

1401544344 is a wasteful number, since it uses less digits than its factorization.

1401544344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58397690 (or 58397686 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1401544344 is about 37437.2053444164. The cubic root of 1401544344 is about 1119.1001339122.

Adding to 1401544344 its reverse (4434451041), we get a palindrome (5835995385).

The spelling of 1401544344 in words is "one billion, four hundred one million, five hundred forty-four thousand, three hundred forty-four".