1420240550 has 48 divisors (see below), whose sum is σ = 2740412400. Its totient is φ = 547223040.

The previous prime is 1420240543. The next prime is 1420240583. The reversal of 1420240550 is 550420241.

It is a happy number.

It is a Curzon number.

It is a congruent 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, 152426 + ... + 161474.

It is an arithmetic number, because the mean of its divisors is an integer number (57091925).

Almost surely, 2^1420240550 is an apocalyptic number.

1420240550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420240550 is a deficient number, since it is larger than the sum of its proper divisors (1320171850).

1420240550 is a wasteful number, since it uses less digits than its factorization.

1420240550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9177 (or 9172 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1420240550 is about 37686.0789947694. The cubic root of 1420240550 is about 1124.0543295759.

Adding to 1420240550 its reverse (550420241), we get a palindrome (1970660791).

The spelling of 1420240550 in words is "one billion, four hundred twenty million, two hundred forty thousand, five hundred fifty".