1408005290 has 8 divisors (see below), whose sum is σ = 2534409540. Its totient is φ = 563202112.

The previous prime is 1408005281. The next prime is 1408005293. The reversal of 1408005290 is 925008041.

1408005290 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1305449161 + 102556129 = 36131^2 + 10127^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1408005293) 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, 70400255 + ... + 70400274.

Almost surely, 2^1408005290 is an apocalyptic number.

1408005290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1408005290 is a deficient number, since it is larger than the sum of its proper divisors (1126404250).

1408005290 is a wasteful number, since it uses less digits than its factorization.

1408005290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140800536.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1408005290 is about 37523.3965680081. The cubic root of 1408005290 is about 1120.8171359335.

The spelling of 1408005290 in words is "one billion, four hundred eight million, five thousand, two hundred ninety".