1450991256 has 128 divisors (see below), whose sum is σ = 4296499200. Its totient is φ = 402554880.

The previous prime is 1450991237. The next prime is 1450991279. The reversal of 1450991256 is 6521990541.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 434200 + ... + 437528.

It is an arithmetic number, because the mean of its divisors is an integer number (33566400).

Almost surely, 2^1450991256 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 1450991256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148249600).

1450991256 is an abundant number, since it is smaller than the sum of its proper divisors (2845507944).

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

1450991256 is a wasteful number, since it uses less digits than its factorization.

1450991256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 1450991256 is about 38091.8791345347. The cubic root of 1450991256 is about 1132.1090577379.

The spelling of 1450991256 in words is "one billion, four hundred fifty million, nine hundred ninety-one thousand, two hundred fifty-six".