1490738256 has 200 divisors, whose sum is σ = 5000773184. Its totient is φ = 419904000.

The previous prime is 1490738239. The next prime is 1490738257. The reversal of 1490738256 is 6528370941.

1490738256 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1490738256 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490738257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 661131 + ... + 663381.

It is a 1-persistent number, because it is pandigital, but 2⋅1490738256 = 2981476512 is not.

It is a vampire number, since it can be written as 36792 ⋅ 40518 (with its own digits).

Almost surely, 2^1490738256 is an apocalyptic number.

1490738256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490738256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500386592).

1490738256 is an abundant number, since it is smaller than the sum of its proper divisors (3510034928).

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

1490738256 is a wasteful number, since it uses less digits than its factorization.

1490738256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 2336 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1490738256 is about 38610.0797201974. The cubic root of 1490738256 is about 1142.3533656198.

The spelling of 1490738256 in words is "one billion, four hundred ninety million, seven hundred thirty-eight thousand, two hundred fifty-six".