1490264281 has 8 divisors (see below), whose sum is σ = 1669682304. Its totient is φ = 1318169520.

The previous prime is 1490264261. The next prime is 1490264291. The reversal of 1490264281 is 1824620941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1490264281 - 2⁵ = 1490264249 is a prime.

It is a super-2 number, since 2×1490264281² = 4441775254448893922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1490264281.

It is not an unprimeable number, because it can be changed into a prime (1490264261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830385 + ... + 1831198.

It is an arithmetic number, because the mean of its divisors is an integer number (208710288).

Almost surely, 2^1490264281 is an apocalyptic number.

1490264281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1490264281 is a deficient number, since it is larger than the sum of its proper divisors (179418023).

1490264281 is a wasteful number, since it uses less digits than its factorization.

1490264281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661631.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1490264281 is about 38603.9412625188. The cubic root of 1490264281 is about 1142.2322837044.

The spelling of 1490264281 in words is "one billion, four hundred ninety million, two hundred sixty-four thousand, two hundred eighty-one".