1405050256 has 15 divisors (see below), whose sum is σ = 2722575403. Its totient is φ = 702450160.

The previous prime is 1405050223. The next prime is 1405050259. The reversal of 1405050256 is 6520505041.

The square root of 1405050256 is 37484.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405050259) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 145251 + ... + 154621.

Almost surely, 2^1405050256 is an apocalyptic number.

1405050256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1405050256 is the 37484-th square number.

It is an amenable number.

1405050256 is a deficient number, since it is larger than the sum of its proper divisors (1317525147).

1405050256 is an frugal number, since it uses more digits than its factorization.

1405050256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750 (or 9373 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The cubic root of 1405050256 is about 1120.0324863026.

Adding to 1405050256 its reverse (6520505041), we get a palindrome (7925555297).

The spelling of 1405050256 in words is "one billion, four hundred five million, fifty thousand, two hundred fifty-six".