1401433248 has 48 divisors (see below), whose sum is σ = 3683788416. Its totient is φ = 466506240.

The previous prime is 1401433247. The next prime is 1401433273. The reversal of 1401433248 is 8423341041.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1401433247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63465 + ... + 82647.

It is an arithmetic number, because the mean of its divisors is an integer number (76745592).

Almost surely, 2^1401433248 is an apocalyptic number.

It is an amenable number.

1401433248 is an abundant number, since it is smaller than the sum of its proper divisors (2282355168).

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

1401433248 is a wasteful number, since it uses less digits than its factorization.

1401433248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19957 (or 19949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1401433248 is about 37435.7215504122. The cubic root of 1401433248 is about 1119.0705639515.

Adding to 1401433248 its reverse (8423341041), we get a palindrome (9824774289).

The spelling of 1401433248 in words is "one billion, four hundred one million, four hundred thirty-three thousand, two hundred forty-eight".