1408061256 has 96 divisors (see below), whose sum is σ = 4118364000. Its totient is φ = 399995904.

The previous prime is 1408061209. The next prime is 1408061267. The reversal of 1408061256 is 6521608041.

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 23 ways as a sum of consecutive naturals, for example, 207160 + ... + 213848.

It is an arithmetic number, because the mean of its divisors is an integer number (42899625).

Almost surely, 2^1408061256 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 1408061256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059182000).

1408061256 is an abundant number, since it is smaller than the sum of its proper divisors (2710302744).

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

1408061256 is a wasteful number, since it uses less digits than its factorization.

1408061256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891 (or 6880 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1408061256 is about 37524.1423086524. The cubic root of 1408061256 is about 1120.8319859773.

Adding to 1408061256 its reverse (6521608041), we get a palindrome (7929669297).

The spelling of 1408061256 in words is "one billion, four hundred eight million, sixty-one thousand, two hundred fifty-six".