1401724048 has 20 divisors (see below), whose sum is σ = 2809490940. Its totient is φ = 676694144.

The previous prime is 1401724043. The next prime is 1401724061. The reversal of 1401724048 is 8404271041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 946669824 + 455054224 = 30768^2 + 21332^2 .

It is not an unprimeable number, because it can be changed into a prime (1401724043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510015 + ... + 1510942.

It is an arithmetic number, because the mean of its divisors is an integer number (140474547).

Almost surely, 2^1401724048 is an apocalyptic number.

It is an amenable number.

1401724048 is an abundant number, since it is smaller than the sum of its proper divisors (1407766892).

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

1401724048 is a wasteful number, since it uses less digits than its factorization.

1401724048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020994 (or 3020988 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1401724048 is about 37439.6053398003. The cubic root of 1401724048 is about 1119.1479616714.

Adding to 1401724048 its reverse (8404271041), we get a palindrome (9805995089).

The spelling of 1401724048 in words is "one billion, four hundred one million, seven hundred twenty-four thousand, forty-eight".