1420311450 has 48 divisors (see below), whose sum is σ = 3524881536. Its totient is φ = 378480000.

The previous prime is 1420311449. The next prime is 1420311481. The reversal of 1420311450 is 541130241.

It is a super-2 number, since 2×1420311450² = 4034569230002205000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296575 + ... + 301325.

It is an arithmetic number, because the mean of its divisors is an integer number (73435032).

Almost surely, 2^1420311450 is an apocalyptic number.

1420311450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420311450 is an abundant number, since it is smaller than the sum of its proper divisors (2104570086).

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

1420311450 is a wasteful number, since it uses less digits than its factorization.

1420311450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1420311450 is about 37687.0196486801. The cubic root of 1420311450 is about 1124.0730339486.

Adding to 1420311450 its reverse (541130241), we get a palindrome (1961441691).

The spelling of 1420311450 in words is "one billion, four hundred twenty million, three hundred eleven thousand, four hundred fifty".