1401403052 has 24 divisors (see below), whose sum is σ = 2803637760. Its totient is φ = 600423120.

The previous prime is 1401403049. The next prime is 1401403093. The reversal of 1401403052 is 2503041041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139949 + ... + 149627.

It is an arithmetic number, because the mean of its divisors is an integer number (116818240).

Almost surely, 2^1401403052 is an apocalyptic number.

It is an amenable number.

1401403052 is an abundant number, since it is smaller than the sum of its proper divisors (1402234708).

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

1401403052 is a wasteful number, since it uses less digits than its factorization.

1401403052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14861 (or 14859 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1401403052 is about 37435.3182436052. The cubic root of 1401403052 is about 1119.0625265375.

Adding to 1401403052 its reverse (2503041041), we get a palindrome (3904444093).

The spelling of 1401403052 in words is "one billion, four hundred one million, four hundred three thousand, fifty-two".