1344420490 has 16 divisors (see below), whose sum is σ = 2765665152. Its totient is φ = 460944144.

The previous prime is 1344420481. The next prime is 1344420521. The reversal of 1344420490 is 940244431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9602934 + ... + 9603073.

It is an arithmetic number, because the mean of its divisors is an integer number (172854072).

Almost surely, 2^1344420490 is an apocalyptic number.

1344420490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344420490 is an abundant number, since it is smaller than the sum of its proper divisors (1421244662).

1344420490 is a wasteful number, since it uses less digits than its factorization.

1344420490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206021.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1344420490 is about 36666.3400136965. The cubic root of 1344420490 is about 1103.6847478405.

The spelling of 1344420490 in words is "one billion, three hundred forty-four million, four hundred twenty thousand, four hundred ninety".