1400482481 has 4 divisors (see below), whose sum is σ = 1402767732. Its totient is φ = 1398197232.

The previous prime is 1400482429. The next prime is 1400482507. The reversal of 1400482481 is 1842840041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 560931856 + 839550625 = 23684^2 + 28975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400482481 - 2²² = 1396288177 is a prime.

It is a super-2 number, since 2×1400482481² = 3922702359175830722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400482081) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1141706 + ... + 1142931.

It is an arithmetic number, because the mean of its divisors is an integer number (350691933).

Almost surely, 2^1400482481 is an apocalyptic number.

It is an amenable number.

1400482481 is a deficient number, since it is larger than the sum of its proper divisors (2285251).

1400482481 is an equidigital number, since it uses as much as digits as its factorization.

1400482481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285250.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 1400482481 is about 37423.0207359053. The cubic root of 1400482481 is about 1118.8174383117.

The spelling of 1400482481 in words is "one billion, four hundred million, four hundred eighty-two thousand, four hundred eighty-one".